125240012345115 has 24 divisors (see below), whose sum is σ = 225122787625008. Its totient is φ = 66794673250080.

The previous prime is 125240012345113. The next prime is 125240012345141. The reversal of 125240012345115 is 511543210042521.

125240012345115 is a `hidden beast` number, since 1 + 2 + 5 + 2 + 400 + 1 + 234 + 5 + 1 + 15 = 666.

It is not a de Polignac number, because 125240012345115 - 2¹ = 125240012345113 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 125240012345115.

It is not an unprimeable number, because it can be changed into a prime (125240012345113) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 51539098516 + ... + 51539100945.

It is an arithmetic number, because the mean of its divisors is an integer number (9380116151042).

Almost surely, 2^{125240012345115} is an apocalyptic number.

125240012345115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

125240012345115 is a deficient number, since it is larger than the sum of its proper divisors (99882775279893).

125240012345115 is an equidigital number, since it uses as much as digits as its factorization.

125240012345115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103078199481 (or 103078199469 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 36.

Adding to 125240012345115 its reverse (511543210042521), we get a palindrome (636783222387636).

The spelling of 125240012345115 in words is "one hundred twenty-five trillion, two hundred forty billion, twelve million, three hundred forty-five thousand, one hundred fifteen".