12611632031 has 2 divisors, whose sum is σ = 12611632032. Its totient is φ = 12611632030.

The previous prime is 12611632001. The next prime is 12611632037. The reversal of 12611632031 is 13023611621.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12611632031 is a prime.

It is a super-2 number, since 2×12611632031² (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 (12611632037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6305816015 + 6305816016.

It is an arithmetic number, because the mean of its divisors is an integer number (6305816016).

Almost surely, 2^12611632031 is an apocalyptic number.

12611632031 is a deficient number, since it is larger than the sum of its proper divisors (1).

12611632031 is an equidigital number, since it uses as much as digits as its factorization.

12611632031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 26.

The spelling of 12611632031 in words is "twelve billion, six hundred eleven million, six hundred thirty-two thousand, thirty-one".