1194549901056 has 432 divisors, whose sum is σ = 3848713989120. Its totient is φ = 365034055680.

The previous prime is 1194549901031. The next prime is 1194549901073. The reversal of 1194549901056 is 6501099454911.

1194549901056 is a `hidden beast` number, since 1 + 1 + 9 + 4 + 549 + 90 + 1 + 0 + 5 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (432).

It is a super-2 number, since 2×1194549901056² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 1194549900993 and 1194549901011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 77344471 + ... + 77359913.

It is an arithmetic number, because the mean of its divisors is an integer number (8909060160).

Almost surely, 2^{1194549901056} is an apocalyptic number.

1194549901056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1194549901056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1924356994560).

1194549901056 is an abundant number, since it is smaller than the sum of its proper divisors (2654164088064).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1194549901056 is a wasteful number, since it uses less digits than its factorization.

1194549901056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15537 (or 15498 counting only the distinct ones).

The product of its (nonzero) digits is 1749600, while the sum is 54.

The spelling of 1194549901056 in words is "one trillion, one hundred ninety-four billion, five hundred forty-nine million, nine hundred one thousand, fifty-six".