156312512643641 has 16 divisors (see below), whose sum is σ = 158170543689600. Its totient is φ = 154468045127808.

The previous prime is 156312512643601. The next prime is 156312512643643. The reversal of 156312512643641 is 146346215213651.

It is a cyclic number.

It is not a de Polignac number, because 156312512643641 - 2¹⁸ = 156312512381497 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 156312512643641.

It is not an unprimeable number, because it can be changed into a prime (156312512643643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17547260 + ... + 24910466.

It is an arithmetic number, because the mean of its divisors is an integer number (9885658980600).

Almost surely, 2^{156312512643641} is an apocalyptic number.

It is an amenable number.

156312512643641 is a deficient number, since it is larger than the sum of its proper divisors (1858031045959).

156312512643641 is a wasteful number, since it uses less digits than its factorization.

156312512643641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7364128.

The product of its digits is 3110400, while the sum is 50.

The spelling of 156312512643641 in words is "one hundred fifty-six trillion, three hundred twelve billion, five hundred twelve million, six hundred forty-three thousand, six hundred forty-one".