115122554540 has 48 divisors (see below), whose sum is σ = 285821524800. Its totient is φ = 38109533952.

The previous prime is 115122554539. The next prime is 115122554551. The reversal of 115122554540 is 45455221511.

It is a super-2 number, since 2×115122554540² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 115122554540.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14173595 + ... + 14181714.

It is an arithmetic number, because the mean of its divisors is an integer number (5954615100).

Almost surely, 2^115122554540 is an apocalyptic number.

115122554540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115122554540 is an abundant number, since it is smaller than the sum of its proper divisors (170698970260).

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

115122554540 is a wasteful number, since it uses less digits than its factorization.

115122554540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28355354 (or 28355352 counting only the distinct ones).

The product of its (nonzero) digits is 40000, while the sum is 35.

The spelling of 115122554540 in words is "one hundred fifteen billion, one hundred twenty-two million, five hundred fifty-four thousand, five hundred forty".