125255515 has 24 divisors (see below), whose sum is σ = 190745712. Its totient is φ = 78079680.

The previous prime is 125255503. The next prime is 125255521. The reversal of 125255515 is 515552521.

It is not a de Polignac number, because 125255515 - 2⁹ = 125255003 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20544 + ... + 25933.

It is an arithmetic number, because the mean of its divisors is an integer number (7947738).

Almost surely, 2^125255515 is an apocalyptic number.

125255515 is a deficient number, since it is larger than the sum of its proper divisors (65490197).

125255515 is a wasteful number, since it uses less digits than its factorization.

125255515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46507 (or 46500 counting only the distinct ones).

The product of its digits is 12500, while the sum is 31.

The square root of 125255515 is about 11191.7610321164. The cubic root of 125255515 is about 500.3404547951.

The spelling of 125255515 in words is "one hundred twenty-five million, two hundred fifty-five thousand, five hundred fifteen".