15227289552 has 40 divisors (see below), whose sum is σ = 39347203840. Its totient is φ = 5074467840.

The previous prime is 15227289533. The next prime is 15227289569. The reversal of 15227289552 is 25598272251.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159777 + ... + 236607.

It is an arithmetic number, because the mean of its divisors is an integer number (983680096).

Almost surely, 2^15227289552 is an apocalyptic number.

15227289552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15227289552 is an abundant number, since it is smaller than the sum of its proper divisors (24119914288).

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

15227289552 is a wasteful number, since it uses less digits than its factorization.

15227289552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80971 (or 80965 counting only the distinct ones).

The product of its digits is 1008000, while the sum is 48.

The spelling of 15227289552 in words is "fifteen billion, two hundred twenty-seven million, two hundred eighty-nine thousand, five hundred fifty-two".