1057112056 has 128 divisors (see below), whose sum is σ = 2689666560. Its totient is φ = 376128000.

The previous prime is 1057112033. The next prime is 1057112081. The reversal of 1057112056 is 6502117501.

It is a super-2 number, since 2×1057112056² = 2234971797881094272, which contains 22 as substring.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 808155 + ... + 809461.

It is an arithmetic number, because the mean of its divisors is an integer number (21013020).

Almost surely, 2^1057112056 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1057112056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1344833280).

1057112056 is an abundant number, since it is smaller than the sum of its proper divisors (1632554504).

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

1057112056 is a wasteful number, since it uses less digits than its factorization.

1057112056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1445 (or 1441 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 28.

The square root of 1057112056 is about 32513.2596950844. The cubic root of 1057112056 is about 1018.6860101777.

Adding to 1057112056 its reverse (6502117501), we get a palindrome (7559229557).

Subtracting 1057112056 from its reverse (6502117501), we obtain a palindrome (5445005445).

The spelling of 1057112056 in words is "one billion, fifty-seven million, one hundred twelve thousand, fifty-six".