11652620431831 has 2 divisors, whose sum is σ = 11652620431832. Its totient is φ = 11652620431830.

The previous prime is 11652620431769. The next prime is 11652620431871. The reversal of 11652620431831 is 13813402625611.

11652620431831 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11652620431831 is a prime.

It is a super-2 number, since 2×11652620431831² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11652620431871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5826310215915 + 5826310215916.

It is an arithmetic number, because the mean of its divisors is an integer number (5826310215916).

Almost surely, 2^{11652620431831} is an apocalyptic number.

11652620431831 is a deficient number, since it is larger than the sum of its proper divisors (1).

11652620431831 is an equidigital number, since it uses as much as digits as its factorization.

11652620431831 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 207360, while the sum is 43.

The spelling of 11652620431831 in words is "eleven trillion, six hundred fifty-two billion, six hundred twenty million, four hundred thirty-one thousand, eight hundred thirty-one".