1056265715 has 4 divisors (see below), whose sum is σ = 1267518864. Its totient is φ = 845012568.

The previous prime is 1056265711. The next prime is 1056265723. The reversal of 1056265715 is 5175626501.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1056265715 - 2² = 1056265711 is a prime.

It is a super-2 number, since 2×1056265715² = 2231394521368922450, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1056265711) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105626567 + ... + 105626576.

It is an arithmetic number, because the mean of its divisors is an integer number (316879716).

Almost surely, 2^1056265715 is an apocalyptic number.

1056265715 is a deficient number, since it is larger than the sum of its proper divisors (211253149).

1056265715 is an equidigital number, since it uses as much as digits as its factorization.

1056265715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211253148.

The product of its (nonzero) digits is 63000, while the sum is 38.

The square root of 1056265715 is about 32500.2417683315. The cubic root of 1056265715 is about 1018.4140787651.

The spelling of 1056265715 in words is "one billion, fifty-six million, two hundred sixty-five thousand, seven hundred fifteen".