15051502540 has 24 divisors (see below), whose sum is σ = 32627774592. Its totient is φ = 5826387840.

The previous prime is 15051502507. The next prime is 15051502553. The reversal of 15051502540 is 4520515051.

It is a junction number, because it is equal to n+sod(n) for n = 15051502499 and 15051502508.

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, 12137689 + ... + 12138928.

It is an arithmetic number, because the mean of its divisors is an integer number (1359490608).

Almost surely, 2^15051502540 is an apocalyptic number.

15051502540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15051502540 is an abundant number, since it is smaller than the sum of its proper divisors (17576272052).

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

15051502540 is a wasteful number, since it uses less digits than its factorization.

15051502540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24276657 (or 24276655 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 28.

The spelling of 15051502540 in words is "fifteen billion, fifty-one million, five hundred two thousand, five hundred forty".