115563073155 has 32 divisors (see below), whose sum is σ = 186279048000. Its totient is φ = 61174874112.

The previous prime is 115563073111. The next prime is 115563073207. The reversal of 115563073155 is 551370365511.

It is not a de Polignac number, because 115563073155 - 2¹² = 115563069059 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3130767 + ... + 3167463.

It is an arithmetic number, because the mean of its divisors is an integer number (5821220250).

Almost surely, 2^115563073155 is an apocalyptic number.

115563073155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

115563073155 is a deficient number, since it is larger than the sum of its proper divisors (70715974845).

115563073155 is a wasteful number, since it uses less digits than its factorization.

115563073155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38263.

The product of its (nonzero) digits is 236250, while the sum is 42.

The spelling of 115563073155 in words is "one hundred fifteen billion, five hundred sixty-three million, seventy-three thousand, one hundred fifty-five".