15554797132 has 48 divisors (see below), whose sum is σ = 31332994560. Its totient is φ = 6618592512.

The previous prime is 15554797067. The next prime is 15554797163. The reversal of 15554797132 is 23179745551.

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 15 ways as a sum of consecutive naturals, for example, 3721828 + ... + 3726004.

It is an arithmetic number, because the mean of its divisors is an integer number (652770720).

Almost surely, 2^15554797132 is an apocalyptic number.

It is an amenable number.

15554797132 is an abundant number, since it is smaller than the sum of its proper divisors (15778197428).

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

15554797132 is a wasteful number, since it uses less digits than its factorization.

15554797132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5110 (or 5108 counting only the distinct ones).

The product of its digits is 1323000, while the sum is 49.

The spelling of 15554797132 in words is "fifteen billion, five hundred fifty-four million, seven hundred ninety-seven thousand, one hundred thirty-two".