1054811721600 has 3072 divisors, whose sum is σ = 5235664896000. Its totient is φ = 201016442880.

The previous prime is 1054811721583. The next prime is 1054811721617. The reversal of 1054811721600 is 61271184501.

1054811721600 is a `hidden beast` number, since 1 + 0 + 5 + 48 + 1 + 1 + 7 + 2 + 1 + 600 = 666.

It is an interprime number because it is at equal distance from previous prime (1054811721583) and next prime (1054811721617).

It is a super-2 number, since 2×1054811721600² (a number of 25 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 3435868647 + ... + 3435868953.

It is an arithmetic number, because the mean of its divisors is an integer number (1704318000).

Almost surely, 2^{1054811721600} is an apocalyptic number.

1054811721600 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 1054811721600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2617832448000).

1054811721600 is an abundant number, since it is smaller than the sum of its proper divisors (4180853174400).

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

1054811721600 is a wasteful number, since it uses less digits than its factorization.

1054811721600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402 (or 379 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 36.

The spelling of 1054811721600 in words is "one trillion, fifty-four billion, eight hundred eleven million, seven hundred twenty-one thousand, six hundred".