15255152420 has 48 divisors (see below), whose sum is σ = 32148264960. Its totient is φ = 6080690304.

The previous prime is 15255152401. The next prime is 15255152501. The reversal of 15255152420 is 2425155251.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9734477 + ... + 9736043.

It is an arithmetic number, because the mean of its divisors is an integer number (669755520).

Almost surely, 2^15255152420 is an apocalyptic number.

15255152420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15255152420 is an abundant number, since it is smaller than the sum of its proper divisors (16893112540).

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

15255152420 is a wasteful number, since it uses less digits than its factorization.

15255152420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2972 (or 2970 counting only the distinct ones).

The product of its (nonzero) digits is 20000, while the sum is 32.

The spelling of 15255152420 in words is "fifteen billion, two hundred fifty-five million, one hundred fifty-two thousand, four hundred twenty".