115425125551 has 4 divisors (see below), whose sum is σ = 115473564832. Its totient is φ = 115376686272.

The previous prime is 115425125531. The next prime is 115425125579. The reversal of 115425125551 is 155521524511.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 115425125551 - 2¹⁹ = 115424601263 is a prime.

It is a super-2 number, since 2×115425125551² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 115425125551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115425125531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24216066 + ... + 24220831.

It is an arithmetic number, because the mean of its divisors is an integer number (28868391208).

Almost surely, 2^115425125551 is an apocalyptic number.

115425125551 is a deficient number, since it is larger than the sum of its proper divisors (48439281).

115425125551 is an equidigital number, since it uses as much as digits as its factorization.

115425125551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48439280.

The product of its digits is 50000, while the sum is 37.

The spelling of 115425125551 in words is "one hundred fifteen billion, four hundred twenty-five million, one hundred twenty-five thousand, five hundred fifty-one".