115513120425 has 24 divisors (see below), whose sum is σ = 190997525376. Its totient is φ = 61601890240.

The previous prime is 115513120369. The next prime is 115513120511. The reversal of 115513120425 is 524021315511.

It is not a de Polignac number, because 115513120425 - 2¹⁸ = 115512858281 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 115513120392 and 115513120401.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 954427 + ... + 1068623.

It is an arithmetic number, because the mean of its divisors is an integer number (7958230224).

Almost surely, 2^115513120425 is an apocalyptic number.

115513120425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

115513120425 is a deficient number, since it is larger than the sum of its proper divisors (75484404951).

115513120425 is a wasteful number, since it uses less digits than its factorization.

115513120425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127697 (or 127692 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 30.

Adding to 115513120425 its reverse (524021315511), we get a palindrome (639534435936).

The spelling of 115513120425 in words is "one hundred fifteen billion, five hundred thirteen million, one hundred twenty thousand, four hundred twenty-five".