1056505415 has 12 divisors (see below), whose sum is σ = 1474795656. Its totient is φ = 724460688.

The previous prime is 1056505397. The next prime is 1056505427. The reversal of 1056505415 is 5145056501.

It is not a de Polignac number, because 1056505415 - 2⁸ = 1056505159 is a prime.

It is a super-2 number, since 2×1056505415² = 2232407383848644450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2155889 + ... + 2156378.

It is an arithmetic number, because the mean of its divisors is an integer number (122899638).

Almost surely, 2^1056505415 is an apocalyptic number.

1056505415 is a deficient number, since it is larger than the sum of its proper divisors (418290241).

1056505415 is an equidigital number, since it uses as much as digits as its factorization.

1056505415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4312286 (or 4312279 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 32.

The square root of 1056505415 is about 32503.9292240184. The cubic root of 1056505415 is about 1018.4911096952.

The spelling of 1056505415 in words is "one billion, fifty-six million, five hundred five thousand, four hundred fifteen".