15015254012025 has 48 divisors (see below), whose sum is σ = 25683709262400. Its totient is φ = 7731256072960.

The previous prime is 15015254011943. The next prime is 15015254012053. The reversal of 15015254012025 is 52021045251051.

It is not a de Polignac number, because 15015254012025 - 2¹⁷ = 15015253880953 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 22877131 + ... + 23524319.

It is an arithmetic number, because the mean of its divisors is an integer number (535077276300).

Almost surely, 2^{15015254012025} is an apocalyptic number.

15015254012025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

15015254012025 is a deficient number, since it is larger than the sum of its proper divisors (10668455250375).

15015254012025 is a wasteful number, since it uses less digits than its factorization.

15015254012025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 657898 (or 657893 counting only the distinct ones).

The product of its (nonzero) digits is 20000, while the sum is 33.

Adding to 15015254012025 its reverse (52021045251051), we get a palindrome (67036299263076).

The spelling of 15015254012025 in words is "fifteen trillion, fifteen billion, two hundred fifty-four million, twelve thousand, twenty-five".