10557655631 has 2 divisors, whose sum is σ = 10557655632. Its totient is φ = 10557655630.

The previous prime is 10557655613. The next prime is 10557655643. The reversal of 10557655631 is 13655675501.

Together with previous prime (10557655613) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10557655631 - 2¹⁴ = 10557639247 is a prime.

It is a super-2 number, since 2×10557655631² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10557655681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5278827815 + 5278827816.

It is an arithmetic number, because the mean of its divisors is an integer number (5278827816).

Almost surely, 2^10557655631 is an apocalyptic number.

10557655631 is a deficient number, since it is larger than the sum of its proper divisors (1).

10557655631 is an equidigital number, since it uses as much as digits as its factorization.

10557655631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 472500, while the sum is 44.

The spelling of 10557655631 in words is "ten billion, five hundred fifty-seven million, six hundred fifty-five thousand, six hundred thirty-one".