10565554231 has 2 divisors, whose sum is σ = 10565554232. Its totient is φ = 10565554230.

The previous prime is 10565554211. The next prime is 10565554273. The reversal of 10565554231 is 13245556501.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10565554231 - 2¹⁷ = 10565423159 is a prime.

It is a super-2 number, since 2×10565554231² (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 (10565554211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5282777115 + 5282777116.

It is an arithmetic number, because the mean of its divisors is an integer number (5282777116).

Almost surely, 2^10565554231 is an apocalyptic number.

10565554231 is a deficient number, since it is larger than the sum of its proper divisors (1).

10565554231 is an equidigital number, since it uses as much as digits as its factorization.

10565554231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90000, while the sum is 37.

The spelling of 10565554231 in words is "ten billion, five hundred sixty-five million, five hundred fifty-four thousand, two hundred thirty-one".