115155355540122 has 96 divisors (see below), whose sum is σ = 251046533357568. Its totient is φ = 38148504238368.

The previous prime is 115155355540117. The next prime is 115155355540157. The reversal of 115155355540122 is 221045553551511.

115155355540122 is a `hidden beast` number, since 1 + 1 + 5 + 1 + 5 + 53 + 55 + 540 + 1 + 2 + 2 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4522445563 + ... + 4522471025.

It is an arithmetic number, because the mean of its divisors is an integer number (2615068055808).

Almost surely, 2^{115155355540122} is an apocalyptic number.

115155355540122 is an abundant number, since it is smaller than the sum of its proper divisors (135891177817446).

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

115155355540122 is a wasteful number, since it uses less digits than its factorization.

115155355540122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28064 (or 28061 counting only the distinct ones).

The product of its (nonzero) digits is 750000, while the sum is 45.

The spelling of 115155355540122 in words is "one hundred fifteen trillion, one hundred fifty-five billion, three hundred fifty-five million, five hundred forty thousand, one hundred twenty-two".