2515138900125 has 32 divisors (see below), whose sum is σ = 4185727363584. Its totient is φ = 1341235544000.

The previous prime is 2515138900069. The next prime is 2515138900151. The reversal of 2515138900125 is 5210098315152.

It is not a de Polignac number, because 2515138900125 - 2⁷ = 2515138899997 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2528140 + ... + 3379610.

It is an arithmetic number, because the mean of its divisors is an integer number (130803980112).

Almost surely, 2^{2515138900125} is an apocalyptic number.

2515138900125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2515138900125 is a deficient number, since it is larger than the sum of its proper divisors (1670588463459).

2515138900125 is an equidigital number, since it uses as much as digits as its factorization.

2515138900125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 859366 (or 859356 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 42.

The spelling of 2515138900125 in words is "two trillion, five hundred fifteen billion, one hundred thirty-eight million, nine hundred thousand, one hundred twenty-five".