15788245401 has 6 divisors (see below), whose sum is σ = 22805243370. Its totient is φ = 10525496928.

The previous prime is 15788245397. The next prime is 15788245439. The reversal of 15788245401 is 10454288751.

15788245401 is a `hidden beast` number, since 1 + 5 + 7 + 88 + 24 + 540 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 15431602176 + 356643225 = 124224^2 + 18885^2 .

It is not a de Polignac number, because 15788245401 - 2² = 15788245397 is a prime.

It is not an unprimeable number, because it can be changed into a prime (15788245001) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 877124736 + ... + 877124753.

It is an arithmetic number, because the mean of its divisors is an integer number (3800873895).

Almost surely, 2^15788245401 is an apocalyptic number.

It is an amenable number.

15788245401 is a deficient number, since it is larger than the sum of its proper divisors (7016997969).

15788245401 is a wasteful number, since it uses less digits than its factorization.

15788245401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1754249495 (or 1754249492 counting only the distinct ones).

The product of its (nonzero) digits is 358400, while the sum is 45.

The spelling of 15788245401 in words is "fifteen billion, seven hundred eighty-eight million, two hundred forty-five thousand, four hundred one".