125753015215 has 4 divisors (see below), whose sum is σ = 150903618264. Its totient is φ = 100602412168.

The previous prime is 125753015207. The next prime is 125753015237. The reversal of 125753015215 is 512510357521.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 125753015215 - 2³ = 125753015207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12575301517 + ... + 12575301526.

It is an arithmetic number, because the mean of its divisors is an integer number (37725904566).

Almost surely, 2^125753015215 is an apocalyptic number.

125753015215 is a deficient number, since it is larger than the sum of its proper divisors (25150603049).

125753015215 is an equidigital number, since it uses as much as digits as its factorization.

125753015215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25150603048.

The product of its (nonzero) digits is 52500, while the sum is 37.

The spelling of 125753015215 in words is "one hundred twenty-five billion, seven hundred fifty-three million, fifteen thousand, two hundred fifteen".