125115113501 has 16 divisors (see below), whose sum is σ = 144089906688. Its totient is φ = 106418188800.

The previous prime is 125115113491. The next prime is 125115113521. The reversal of 125115113501 is 105311511521.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-125115113501 is a prime.

It is a super-2 number, since 2×125115113501² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125115113521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 479981 + ... + 693261.

It is an arithmetic number, because the mean of its divisors is an integer number (9005619168).

Almost surely, 2^125115113501 is an apocalyptic number.

It is an amenable number.

125115113501 is a deficient number, since it is larger than the sum of its proper divisors (18974793187).

125115113501 is a wasteful number, since it uses less digits than its factorization.

125115113501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213932.

The product of its (nonzero) digits is 750, while the sum is 26.

The spelling of 125115113501 in words is "one hundred twenty-five billion, one hundred fifteen million, one hundred thirteen thousand, five hundred one".