1056156053 has 2 divisors, whose sum is σ = 1056156054. Its totient is φ = 1056156052.

The previous prime is 1056156047. The next prime is 1056156077. The reversal of 1056156053 is 3506516501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 693900964 + 362255089 = 26342^2 + 19033^2 .

It is a cyclic number.

It is not a de Polignac number, because 1056156053 - 2²² = 1051961749 is a prime.

It is a super-2 number, since 2×1056156053² = 2230931216577077618, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1056156653) by changing a digit.

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 as a sum of consecutive naturals, namely, 528078026 + 528078027.

It is an arithmetic number, because the mean of its divisors is an integer number (528078027).

Almost surely, 2^1056156053 is an apocalyptic number.

It is an amenable number.

1056156053 is a deficient number, since it is larger than the sum of its proper divisors (1).

1056156053 is an equidigital number, since it uses as much as digits as its factorization.

1056156053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13500, while the sum is 32.

The square root of 1056156053 is about 32498.5546293985. The cubic root of 1056156053 is about 1018.3788334702.

The spelling of 1056156053 in words is "one billion, fifty-six million, one hundred fifty-six thousand, fifty-three".