15255455514 has 64 divisors (see below), whose sum is σ = 33329657088. Its totient is φ = 4627008000.

The previous prime is 15255455497. The next prime is 15255455549. The reversal of 15255455514 is 41555455251.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1831419 + ... + 1839729.

It is an arithmetic number, because the mean of its divisors is an integer number (520775892).

Almost surely, 2^15255455514 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15255455514, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16664828544).

15255455514 is an abundant number, since it is smaller than the sum of its proper divisors (18074201574).

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

15255455514 is a wasteful number, since it uses less digits than its factorization.

15255455514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8663.

The product of its digits is 500000, while the sum is 42.

The spelling of 15255455514 in words is "fifteen billion, two hundred fifty-five million, four hundred fifty-five thousand, five hundred fourteen".