1056656775 has 12 divisors (see below), whose sum is σ = 1747005992. Its totient is φ = 563550240.

The previous prime is 1056656771. The next prime is 1056656801. The reversal of 1056656775 is 5776566501.

It is not a de Polignac number, because 1056656775 - 2² = 1056656771 is a prime.

It is a super-2 number, since 2×1056656775² = 2233047080306801250, which contains 22 as substring.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1056656771) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7044304 + ... + 7044453.

Almost surely, 2^1056656775 is an apocalyptic number.

1056656775 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1056656775 is a deficient number, since it is larger than the sum of its proper divisors (690349217).

1056656775 is a wasteful number, since it uses less digits than its factorization.

1056656775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14088770 (or 14088765 counting only the distinct ones).

The product of its (nonzero) digits is 1323000, while the sum is 48.

The square root of 1056656775 is about 32506.2574745233. The cubic root of 1056656775 is about 1018.5397453358.

The spelling of 1056656775 in words is "one billion, fifty-six million, six hundred fifty-six thousand, seven hundred seventy-five".