10511644057 has 2 divisors, whose sum is σ = 10511644058. Its totient is φ = 10511644056.

The previous prime is 10511644049. The next prime is 10511644097. The reversal of 10511644057 is 75044611501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9211392576 + 1300251481 = 95976^2 + 36059^2 .

It is a cyclic number.

It is not a de Polignac number, because 10511644057 - 2³ = 10511644049 is a prime.

It is a super-2 number, since 2×10511644057² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10511644027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5255822028 + 5255822029.

It is an arithmetic number, because the mean of its divisors is an integer number (5255822029).

Almost surely, 2^10511644057 is an apocalyptic number.

It is an amenable number.

10511644057 is a deficient number, since it is larger than the sum of its proper divisors (1).

10511644057 is an equidigital number, since it uses as much as digits as its factorization.

10511644057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16800, while the sum is 34.

The spelling of 10511644057 in words is "ten billion, five hundred eleven million, six hundred forty-four thousand, fifty-seven".