115506576540 has 72 divisors (see below), whose sum is σ = 351873810288. Its totient is φ = 30669546240.

The previous prime is 115506576533. The next prime is 115506576547. The reversal of 115506576540 is 45675605511.

It is a happy number.

115506576540 is a `hidden beast` number, since 1 + 1 + 5 + 50 + 6 + 57 + 6 + 540 = 666.

It is an interprime number because it is at equal distance from previous prime (115506576533) and next prime (115506576547).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115506576547) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1335106 + ... + 1418985.

It is an arithmetic number, because the mean of its divisors is an integer number (4887136254).

Almost surely, 2^115506576540 is an apocalyptic number.

115506576540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115506576540 is an abundant number, since it is smaller than the sum of its proper divisors (236367233748).

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

115506576540 is a wasteful number, since it uses less digits than its factorization.

115506576540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2754339 (or 2754334 counting only the distinct ones).

The product of its (nonzero) digits is 630000, while the sum is 45.

The spelling of 115506576540 in words is "one hundred fifteen billion, five hundred six million, five hundred seventy-six thousand, five hundred forty".