1056057015 has 32 divisors (see below), whose sum is σ = 1846849536. Its totient is φ = 512138880.

The previous prime is 1056056971. The next prime is 1056057059. The reversal of 1056057015 is 5107506501.

It is an interprime number because it is at equal distance from previous prime (1056056971) and next prime (1056057059).

It is not a de Polignac number, because 1056057015 - 2⁷ = 1056056887 is a prime.

It is a super-3 number, since 3×1056057015³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27351 + ... + 53480.

It is an arithmetic number, because the mean of its divisors is an integer number (57714048).

Almost surely, 2^1056057015 is an apocalyptic number.

1056057015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1056057015 is a deficient number, since it is larger than the sum of its proper divisors (790792521).

1056057015 is a wasteful number, since it uses less digits than its factorization.

1056057015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80919.

The product of its (nonzero) digits is 5250, while the sum is 30.

The square root of 1056057015 is about 32497.0308643728. The cubic root of 1056057015 is about 1018.3470006252.

The spelling of 1056057015 in words is "one billion, fifty-six million, fifty-seven thousand, fifteen".