115031543055 has 64 divisors (see below), whose sum is σ = 216301542912. Its totient is φ = 51464931840.

The previous prime is 115031543027. The next prime is 115031543111. The reversal of 115031543055 is 550345130511.

It is not a de Polignac number, because 115031543055 - 2²⁰ = 115030494479 is a prime.

It is a super-2 number, since 2×115031543055² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7742464 + ... + 7757306.

It is an arithmetic number, because the mean of its divisors is an integer number (3379711608).

Almost surely, 2^115031543055 is an apocalyptic number.

115031543055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

115031543055 is a deficient number, since it is larger than the sum of its proper divisors (101269999857).

115031543055 is a wasteful number, since it uses less digits than its factorization.

115031543055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18488.

The product of its (nonzero) digits is 22500, while the sum is 33.

Adding to 115031543055 its reverse (550345130511), we get a palindrome (665376673566).

The spelling of 115031543055 in words is "one hundred fifteen billion, thirty-one million, five hundred forty-three thousand, fifty-five".