15056624641 has 2 divisors, whose sum is σ = 15056624642. Its totient is φ = 15056624640.

The previous prime is 15056624633. The next prime is 15056624669. The reversal of 15056624641 is 14642665051.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14835240000 + 221384641 = 121800^2 + 14879^2 .

It is a cyclic number.

It is not a de Polignac number, because 15056624641 - 2³ = 15056624633 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 15056624594 and 15056624603.

It is not a weakly prime, because it can be changed into another prime (15056624741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7528312320 + 7528312321.

It is an arithmetic number, because the mean of its divisors is an integer number (7528312321).

Almost surely, 2^15056624641 is an apocalyptic number.

It is an amenable number.

15056624641 is a deficient number, since it is larger than the sum of its proper divisors (1).

15056624641 is an equidigital number, since it uses as much as digits as its factorization.

15056624641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 172800, while the sum is 40.

The spelling of 15056624641 in words is "fifteen billion, fifty-six million, six hundred twenty-four thousand, six hundred forty-one".