115523945540 has 48 divisors (see below), whose sum is σ = 258238108800. Its totient is φ = 43285600512.

The previous prime is 115523945503. The next prime is 115523945549. The reversal of 115523945540 is 45549325511.

It is a junction number, because it is equal to n+sod(n) for n = 115523945491 and 115523945500.

It is not an unprimeable number, because it can be changed into a prime (115523945549) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1674104 + ... + 1741743.

It is an arithmetic number, because the mean of its divisors is an integer number (5379960600).

Almost surely, 2^115523945540 is an apocalyptic number.

115523945540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115523945540 is an abundant number, since it is smaller than the sum of its proper divisors (142714163260).

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

115523945540 is a wasteful number, since it uses less digits than its factorization.

115523945540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3415964 (or 3415962 counting only the distinct ones).

The product of its (nonzero) digits is 540000, while the sum is 44.

The spelling of 115523945540 in words is "one hundred fifteen billion, five hundred twenty-three million, nine hundred forty-five thousand, five hundred forty".