115112403440 has 40 divisors (see below), whose sum is σ = 267650503200. Its totient is φ = 46042524416.

The previous prime is 115112403397. The next prime is 115112403463. The reversal of 115112403440 is 44304211511.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2759861 + ... + 2801259.

It is an arithmetic number, because the mean of its divisors is an integer number (6691262580).

Almost surely, 2^115112403440 is an apocalyptic number.

115112403440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115112403440 is an abundant number, since it is smaller than the sum of its proper divisors (152538099760).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

115112403440 is a wasteful number, since it uses less digits than its factorization.

115112403440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76169 (or 76163 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 115112403440 its reverse (44304211511), we get a palindrome (159416614951).

The spelling of 115112403440 in words is "one hundred fifteen billion, one hundred twelve million, four hundred three thousand, four hundred forty".