1056257831774 has 16 divisors (see below), whose sum is σ = 1588370979600. Its totient is φ = 526801018944.

The previous prime is 1056257831767. The next prime is 1056257831777. The reversal of 1056257831774 is 4771387526501.

It is a super-2 number, since 2×1056257831774² (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 (1056257831777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14677472 + ... + 14749260.

It is an arithmetic number, because the mean of its divisors is an integer number (99273186225).

Almost surely, 2^{1056257831774} is an apocalyptic number.

1056257831774 is a deficient number, since it is larger than the sum of its proper divisors (532113147826).

1056257831774 is a wasteful number, since it uses less digits than its factorization.

1056257831774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90187.

The product of its (nonzero) digits is 9878400, while the sum is 56.

The spelling of 1056257831774 in words is "one trillion, fifty-six billion, two hundred fifty-seven million, eight hundred thirty-one thousand, seven hundred seventy-four".