15255738860 has 12 divisors (see below), whose sum is σ = 32037051648. Its totient is φ = 6102295536.

The previous prime is 15255738857. The next prime is 15255738929. The reversal of 15255738860 is 6883755251.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 15255738799 and 15255738808.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 381393452 + ... + 381393491.

It is an arithmetic number, because the mean of its divisors is an integer number (2669754304).

Almost surely, 2^15255738860 is an apocalyptic number.

15255738860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15255738860 is an abundant number, since it is smaller than the sum of its proper divisors (16781312788).

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

15255738860 is a wasteful number, since it uses less digits than its factorization.

15255738860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 762786952 (or 762786950 counting only the distinct ones).

The product of its (nonzero) digits is 2016000, while the sum is 50.

The spelling of 15255738860 in words is "fifteen billion, two hundred fifty-five million, seven hundred thirty-eight thousand, eight hundred sixty".