10651611231 has 12 divisors (see below), whose sum is σ = 15916201080. Its totient is φ = 6856209360.

The previous prime is 10651611209. The next prime is 10651611247. The reversal of 10651611231 is 13211615601.

10651611231 is a `hidden beast` number, since 1 + 0 + 6 + 516 + 112 + 31 = 666.

It is not a de Polignac number, because 10651611231 - 2⁵ = 10651611199 is a prime.

It is a super-2 number, since 2×10651611231² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10651611195 and 10651611204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10651611251) 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 in 11 ways as a sum of consecutive naturals, for example, 20405125 + ... + 20405646.

It is an arithmetic number, because the mean of its divisors is an integer number (1326350090).

Almost surely, 2^10651611231 is an apocalyptic number.

10651611231 is a deficient number, since it is larger than the sum of its proper divisors (5264589849).

10651611231 is a wasteful number, since it uses less digits than its factorization.

10651611231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40810806 (or 40810803 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

The spelling of 10651611231 in words is "ten billion, six hundred fifty-one million, six hundred eleven thousand, two hundred thirty-one".