15475272912 has 600 divisors, whose sum is σ = 53781057792. Its totient is φ = 4255027200.

The previous prime is 15475272889. The next prime is 15475272937. The reversal of 15475272912 is 21927257451.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 159538848 + ... + 159538944.

Almost surely, 2^15475272912 is an apocalyptic number.

15475272912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15475272912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26890528896).

15475272912 is an abundant number, since it is smaller than the sum of its proper divisors (38305784880).

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

15475272912 is a wasteful number, since it uses less digits than its factorization.

15475272912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197 (or 163 counting only the distinct ones).

The product of its digits is 352800, while the sum is 45.

The spelling of 15475272912 in words is "fifteen billion, four hundred seventy-five million, two hundred seventy-two thousand, nine hundred twelve".