115487054881 has 4 divisors (see below), whose sum is σ = 125985878064. Its totient is φ = 104988231700.

The previous prime is 115487054867. The next prime is 115487054899. The reversal of 115487054881 is 188450784511.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 115487054881 - 2²³ = 115478666273 is a prime.

It is a super-2 number, since 2×115487054881² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115487054981) 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, 5249411575 + ... + 5249411596.

It is an arithmetic number, because the mean of its divisors is an integer number (31496469516).

Almost surely, 2^115487054881 is an apocalyptic number.

115487054881 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

115487054881 is a deficient number, since it is larger than the sum of its proper divisors (10498823183).

115487054881 is a wasteful number, since it uses less digits than its factorization.

115487054881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10498823182.

The product of its (nonzero) digits is 1433600, while the sum is 52.

The spelling of 115487054881 in words is "one hundred fifteen billion, four hundred eighty-seven million, fifty-four thousand, eight hundred eighty-one".