15601244252 has 12 divisors (see below), whose sum is σ = 29784193656. Its totient is φ = 7091474640.

The previous prime is 15601244227. The next prime is 15601244339. The reversal of 15601244252 is 25244210651.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 177286823 + ... + 177286910.

It is an arithmetic number, because the mean of its divisors is an integer number (2482016138).

Almost surely, 2^15601244252 is an apocalyptic number.

It is an amenable number.

15601244252 is a deficient number, since it is larger than the sum of its proper divisors (14182949404).

15601244252 is a wasteful number, since it uses less digits than its factorization.

15601244252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354573748 (or 354573746 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 32.

The spelling of 15601244252 in words is "fifteen billion, six hundred one million, two hundred forty-four thousand, two hundred fifty-two".