115516571072155 has 24 divisors (see below), whose sum is σ = 153463479750000. Its totient is φ = 83407648378560.

The previous prime is 115516571072141. The next prime is 115516571072167. The reversal of 115516571072155 is 551270175615511.

It is not a de Polignac number, because 115516571072155 - 2¹⁹ = 115516570547867 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 686737780 + ... + 686905969.

It is an arithmetic number, because the mean of its divisors is an integer number (6394311656250).

Almost surely, 2^{115516571072155} is an apocalyptic number.

115516571072155 is a deficient number, since it is larger than the sum of its proper divisors (37946908677845).

115516571072155 is a wasteful number, since it uses less digits than its factorization.

115516571072155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1373643915 (or 1373643904 counting only the distinct ones).

The product of its (nonzero) digits is 1837500, while the sum is 52.

The spelling of 115516571072155 in words is "one hundred fifteen trillion, five hundred sixteen billion, five hundred seventy-one million, seventy-two thousand, one hundred fifty-five".