156624413081 has 2 divisors, whose sum is σ = 156624413082. Its totient is φ = 156624413080.

The previous prime is 156624413017. The next prime is 156624413111. The reversal of 156624413081 is 180314426651.

156624413081 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 can be written as a sum of positive squares in only one way, i.e., 108096288400 + 48528124681 = 328780^2 + 220291^2 .

It is an emirp because it is prime and its reverse (180314426651) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 156624413081 - 2⁶ = 156624413017 is a prime.

It is a super-2 number, since 2×156624413081² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (156624413681) 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 as a sum of consecutive naturals, namely, 78312206540 + 78312206541.

It is an arithmetic number, because the mean of its divisors is an integer number (78312206541).

Almost surely, 2^156624413081 is an apocalyptic number.

It is an amenable number.

156624413081 is a deficient number, since it is larger than the sum of its proper divisors (1).

156624413081 is an equidigital number, since it uses as much as digits as its factorization.

156624413081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 138240, while the sum is 41.

The spelling of 156624413081 in words is "one hundred fifty-six billion, six hundred twenty-four million, four hundred thirteen thousand, eighty-one".