11913124631 has 2 divisors, whose sum is σ = 11913124632. Its totient is φ = 11913124630.

The previous prime is 11913124607. The next prime is 11913124669. The reversal of 11913124631 is 13642131911.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11913124631 - 2⁶ = 11913124567 is a prime.

It is a super-2 number, since 2×11913124631² (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 (11913124031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5956562315 + 5956562316.

It is an arithmetic number, because the mean of its divisors is an integer number (5956562316).

Almost surely, 2^11913124631 is an apocalyptic number.

11913124631 is a deficient number, since it is larger than the sum of its proper divisors (1).

11913124631 is an equidigital number, since it uses as much as digits as its factorization.

11913124631 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3888, while the sum is 32.

The spelling of 11913124631 in words is "eleven billion, nine hundred thirteen million, one hundred twenty-four thousand, six hundred thirty-one".