1118571611040 has 576 divisors, whose sum is σ = 4223497614336. Its totient is φ = 267841437696.

The previous prime is 1118571610993. The next prime is 1118571611057. The reversal of 1118571611040 is 401161758111.

1118571611040 is a `hidden beast` number, since 1 + 1 + 18 + 571 + 61 + 10 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1118571610986 and 1118571611004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 206872017 + ... + 206877423.

It is an arithmetic number, because the mean of its divisors is an integer number (7332461136).

Almost surely, 2^{1118571611040} is an apocalyptic number.

1118571611040 is a gapful number since it is divisible by the number (10) 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 1118571611040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2111748807168).

1118571611040 is an abundant number, since it is smaller than the sum of its proper divisors (3104926003296).

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

1118571611040 is a wasteful number, since it uses less digits than its factorization.

1118571611040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5741 (or 5730 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 36.

The spelling of 1118571611040 in words is "one trillion, one hundred eighteen billion, five hundred seventy-one million, six hundred eleven thousand, forty".