125061513115 has 64 divisors (see below), whose sum is σ = 203465945088. Its totient is φ = 71391283200.

The previous prime is 125061513113. The next prime is 125061513163. The reversal of 125061513115 is 511315160521.

It is a happy number.

It is not a de Polignac number, because 125061513115 - 2¹ = 125061513113 is a prime.

It is a super-2 number, since 2×125061513115² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (125061513113) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 16051 + ... + 500380.

It is an arithmetic number, because the mean of its divisors is an integer number (3179155392).

Almost surely, 2^125061513115 is an apocalyptic number.

125061513115 is a deficient number, since it is larger than the sum of its proper divisors (78404431973).

125061513115 is a wasteful number, since it uses less digits than its factorization.

125061513115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516508.

The product of its (nonzero) digits is 4500, while the sum is 31.

Adding to 125061513115 its reverse (511315160521), we get a palindrome (636376673636).

The spelling of 125061513115 in words is "one hundred twenty-five billion, sixty-one million, five hundred thirteen thousand, one hundred fifteen".