15015125030 has 64 divisors (see below), whose sum is σ = 28215656640. Its totient is φ = 5748019200.

The previous prime is 15015125017. The next prime is 15015125077. The reversal of 15015125030 is 3052151051.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 15015124987 and 15015125005.

It is a congruent 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, 6947150 + ... + 6949310.

It is an arithmetic number, because the mean of its divisors is an integer number (440869635).

Almost surely, 2^15015125030 is an apocalyptic number.

15015125030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15015125030 is a deficient number, since it is larger than the sum of its proper divisors (13200531610).

15015125030 is a wasteful number, since it uses less digits than its factorization.

15015125030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2505.

The product of its (nonzero) digits is 750, while the sum is 23.

Adding to 15015125030 its reverse (3052151051), we get a palindrome (18067276081).

The spelling of 15015125030 in words is "fifteen billion, fifteen million, one hundred twenty-five thousand, thirty".