1055111056 has 20 divisors (see below), whose sum is σ = 2094139404. Its totient is φ = 514688000.

The previous prime is 1055111041. The next prime is 1055111063. The reversal of 1055111056 is 6501115501.

It can be written as a sum of positive squares in 2 ways, for example, as 460531600 + 594579456 = 21460^2 + 24384^2 .

It is a super-2 number, since 2×1055111056² = 2226518680986870272, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1055111056.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 803545 + ... + 804856.

Almost surely, 2^1055111056 is an apocalyptic number.

1055111056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1055111056 is a deficient number, since it is larger than the sum of its proper divisors (1039028348).

1055111056 is a wasteful number, since it uses less digits than its factorization.

1055111056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1608450 (or 1608444 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 25.

The square root of 1055111056 is about 32482.4730585588. The cubic root of 1055111056 is about 1018.0428496598.

Adding to 1055111056 its reverse (6501115501), we get a palindrome (7556226557).

The spelling of 1055111056 in words is "one billion, fifty-five million, one hundred eleven thousand, fifty-six".