15990361152 has 56 divisors (see below), whose sum is σ = 43291755936. Its totient is φ = 5206161408.

The previous prime is 15990361147. The next prime is 15990361159. The reversal of 15990361152 is 25116309951.

It is not an unprimeable number, because it can be changed into a prime (15990361159) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 960153 + ... + 976664.

Almost surely, 2^15990361152 is an apocalyptic number.

15990361152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15990361152 is an abundant number, since it is smaller than the sum of its proper divisors (27301394784).

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

15990361152 is a wasteful number, since it uses less digits than its factorization.

15990361152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1936875 (or 1936865 counting only the distinct ones).

The product of its (nonzero) digits is 72900, while the sum is 42.

The spelling of 15990361152 in words is "fifteen billion, nine hundred ninety million, three hundred sixty-one thousand, one hundred fifty-two".