15255132016 has 20 divisors (see below), whose sum is σ = 30244187512. Its totient is φ = 7450180416.

The previous prime is 15255131999. The next prime is 15255132017. The reversal of 15255132016 is 61023155251.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15255132017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11085891 + ... + 11087266.

Almost surely, 2^15255132016 is an apocalyptic number.

15255132016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

15255132016 is a deficient number, since it is larger than the sum of its proper divisors (14989055496).

15255132016 is a wasteful number, since it uses less digits than its factorization.

15255132016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22173208 (or 22173202 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 31.

Adding to 15255132016 its reverse (61023155251), we get a palindrome (76278287267).

The spelling of 15255132016 in words is "fifteen billion, two hundred fifty-five million, one hundred thirty-two thousand, sixteen".