125557007615 has 8 divisors (see below), whose sum is σ = 162258286848. Its totient is φ = 92719020960.

The previous prime is 125557007503. The next prime is 125557007633. The reversal of 125557007615 is 516700755521.

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

It is not a de Polignac number, because 125557007615 - 2¹⁸ = 125556745471 is a prime.

It is a super-2 number, since 2×125557007615² (a number of 23 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 965823071 + ... + 965823200.

It is an arithmetic number, because the mean of its divisors is an integer number (20282285856).

Almost surely, 2^125557007615 is an apocalyptic number.

125557007615 is a deficient number, since it is larger than the sum of its proper divisors (36701279233).

125557007615 is a wasteful number, since it uses less digits than its factorization.

125557007615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1931646289.

The product of its (nonzero) digits is 367500, while the sum is 44.

The spelling of 125557007615 in words is "one hundred twenty-five billion, five hundred fifty-seven million, seven thousand, six hundred fifteen".