115542315550 has 12 divisors (see below), whose sum is σ = 214908707016. Its totient is φ = 46216926200.

The previous prime is 115542315527. The next prime is 115542315569. The reversal of 115542315550 is 55513245511.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1155423106 + ... + 1155423205.

It is an arithmetic number, because the mean of its divisors is an integer number (17909058918).

Almost surely, 2^115542315550 is an apocalyptic number.

115542315550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

115542315550 is a deficient number, since it is larger than the sum of its proper divisors (99366391466).

115542315550 is a wasteful number, since it uses less digits than its factorization.

115542315550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2310846323 (or 2310846318 counting only the distinct ones).

The product of its (nonzero) digits is 75000, while the sum is 37.

The spelling of 115542315550 in words is "one hundred fifteen billion, five hundred forty-two million, three hundred fifteen thousand, five hundred fifty".