125012515015 has 8 divisors (see below), whose sum is σ = 153206827200. Its totient is φ = 97882139232.

The previous prime is 125012515003. The next prime is 125012515063. The reversal of 125012515015 is 510515210521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 125012515015 - 2⁵ = 125012514983 is a prime.

It is a congruent number.

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, 265983840 + ... + 265984309.

It is an arithmetic number, because the mean of its divisors is an integer number (19150853400).

Almost surely, 2^125012515015 is an apocalyptic number.

125012515015 is a deficient number, since it is larger than the sum of its proper divisors (28194312185).

125012515015 is an equidigital number, since it uses as much as digits as its factorization.

125012515015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531968201.

The product of its (nonzero) digits is 2500, while the sum is 28.

Adding to 125012515015 its reverse (510515210521), we get a palindrome (635527725536).

The spelling of 125012515015 in words is "one hundred twenty-five billion, twelve million, five hundred fifteen thousand, fifteen".