15900903452 has 48 divisors (see below), whose sum is σ = 32027046912. Its totient is φ = 6766562880.

The previous prime is 15900903451. The next prime is 15900903457. The reversal of 15900903452 is 25430900951.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15900903451) 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, 2732498 + ... + 2738310.

It is an arithmetic number, because the mean of its divisors is an integer number (667230144).

Almost surely, 2^15900903452 is an apocalyptic number.

It is an amenable number.

15900903452 is an abundant number, since it is smaller than the sum of its proper divisors (16126143460).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15900903452 is a wasteful number, since it uses less digits than its factorization.

15900903452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6498 (or 6496 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 38.

The spelling of 15900903452 in words is "fifteen billion, nine hundred million, nine hundred three thousand, four hundred fifty-two".