1057952171028 has 48 divisors (see below), whose sum is σ = 2682300938240. Its totient is φ = 323313055200.

The previous prime is 1057952170963. The next prime is 1057952171041. The reversal of 1057952171028 is 8201712597501.

It is a super-2 number, since 2×1057952171028² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74833918 + ... + 74848053.

Almost surely, 2^{1057952171028} is an apocalyptic number.

It is an amenable number.

1057952171028 is an abundant number, since it is smaller than the sum of its proper divisors (1624348767212).

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

1057952171028 is a wasteful number, since it uses less digits than its factorization.

1057952171028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149682028 (or 149682026 counting only the distinct ones).

The product of its (nonzero) digits is 352800, while the sum is 48.

The spelling of 1057952171028 in words is "one trillion, fifty-seven billion, nine hundred fifty-two million, one hundred seventy-one thousand, twenty-eight".