123411130115525 has 96 divisors (see below), whose sum is σ = 181827148032000. Its totient is φ = 81308314828800.

The previous prime is 123411130115473. The next prime is 123411130115527. The reversal of 123411130115525 is 525511031114321.

It is not a de Polignac number, because 123411130115525 - 2⁶ = 123411130115461 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123411130115527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1837289141 + ... + 1837356309.

It is an arithmetic number, because the mean of its divisors is an integer number (1894032792000).

Almost surely, 2^{123411130115525} is an apocalyptic number.

It is an amenable number.

123411130115525 is a deficient number, since it is larger than the sum of its proper divisors (58416017916475).

123411130115525 is a wasteful number, since it uses less digits than its factorization.

123411130115525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69639 (or 69634 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 35.

Adding to 123411130115525 its reverse (525511031114321), we get a palindrome (648922161229846).

The spelling of 123411130115525 in words is "one hundred twenty-three trillion, four hundred eleven billion, one hundred thirty million, one hundred fifteen thousand, five hundred twenty-five".