115232020155 has 48 divisors (see below), whose sum is σ = 228325616064. Its totient is φ = 52664463360.

The previous prime is 115232020081. The next prime is 115232020177. The reversal of 115232020155 is 551020232511.

It is not a de Polignac number, because 115232020155 - 2⁸ = 115232019899 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1292787 + ... + 1379043.

It is an arithmetic number, because the mean of its divisors is an integer number (4756783668).

Almost surely, 2^115232020155 is an apocalyptic number.

115232020155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

115232020155 is a deficient number, since it is larger than the sum of its proper divisors (113093595909).

115232020155 is a wasteful number, since it uses less digits than its factorization.

115232020155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90516 (or 90513 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

Adding to 115232020155 its reverse (551020232511), we get a palindrome (666252252666).

The spelling of 115232020155 in words is "one hundred fifteen billion, two hundred thirty-two million, twenty thousand, one hundred fifty-five".