15641254604 has 12 divisors (see below), whose sum is σ = 28562291184. Its totient is φ = 7480599984.

The previous prime is 15641254591. The next prime is 15641254609. The reversal of 15641254604 is 40645214651.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (15641254609) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85006727 + ... + 85006910.

It is an arithmetic number, because the mean of its divisors is an integer number (2380190932).

Almost surely, 2^15641254604 is an apocalyptic number.

It is an amenable number.

15641254604 is a deficient number, since it is larger than the sum of its proper divisors (12921036580).

15641254604 is a wasteful number, since it uses less digits than its factorization.

15641254604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170013664 (or 170013662 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 38.

The spelling of 15641254604 in words is "fifteen billion, six hundred forty-one million, two hundred fifty-four thousand, six hundred four".