1056326388831 has 96 divisors (see below), whose sum is σ = 1885293895680. Its totient is φ = 556662585600.

The previous prime is 1056326388829. The next prime is 1056326388847. The reversal of 1056326388831 is 1388836236501.

1056326388831 is a `hidden beast` number, since 10 + 563 + 2 + 6 + 38 + 8 + 8 + 31 = 666.

It is not a de Polignac number, because 1056326388831 - 2¹ = 1056326388829 is a prime.

It is a super-2 number, since 2×1056326388831² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1056326388811) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 12039501 + ... + 12126921.

It is an arithmetic number, because the mean of its divisors is an integer number (19638478080).

Almost surely, 2^{1056326388831} is an apocalyptic number.

1056326388831 is a deficient number, since it is larger than the sum of its proper divisors (828967506849).

1056326388831 is a wasteful number, since it uses less digits than its factorization.

1056326388831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87757 (or 87754 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 54.

The spelling of 1056326388831 in words is "one trillion, fifty-six billion, three hundred twenty-six million, three hundred eighty-eight thousand, eight hundred thirty-one".