1056100565 has 32 divisors (see below), whose sum is σ = 1391717376. Its totient is φ = 764628480.

The previous prime is 1056100561. The next prime is 1056100601. The reversal of 1056100565 is 5650016501.

It is not a de Polignac number, because 1056100565 - 2² = 1056100561 is a prime.

It is a super-2 number, since 2×1056100565² = 2230696806786638450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1056100561) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1223324 + ... + 1224186.

It is an arithmetic number, because the mean of its divisors is an integer number (43491168).

Almost surely, 2^1056100565 is an apocalyptic number.

It is an amenable number.

1056100565 is a deficient number, since it is larger than the sum of its proper divisors (335616811).

1056100565 is a wasteful number, since it uses less digits than its factorization.

1056100565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1229.

The product of its (nonzero) digits is 4500, while the sum is 29.

The square root of 1056100565 is about 32497.7009186804. The cubic root of 1056100565 is about 1018.3609987338.

The spelling of 1056100565 in words is "one billion, fifty-six million, one hundred thousand, five hundred sixty-five".