15828837132 has 18 divisors (see below), whose sum is σ = 36934970268. Its totient is φ = 5276133768.

The previous prime is 15828837127. The next prime is 15828837169. The reversal of 15828837132 is 23173882851.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 417669 + ... + 453987.

Almost surely, 2^15828837132 is an apocalyptic number.

15828837132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15828837132 is an abundant number, since it is smaller than the sum of its proper divisors (21106133136).

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

15828837132 is an frugal number, since it uses more digits than its factorization.

15828837132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72645 (or 36324 counting only the distinct ones).

The product of its digits is 645120, while the sum is 48.

Multiplying 15828837132 by its sum of digits (48), we get a square (759784182336 = 871656²).

The spelling of 15828837132 in words is "fifteen billion, eight hundred twenty-eight million, eight hundred thirty-seven thousand, one hundred thirty-two".