115555165005055 has 16 divisors (see below), whose sum is σ = 143139882380544. Its totient is φ = 89461699971840.

The previous prime is 115555165005053. The next prime is 115555165005109. The reversal of 115555165005055 is 550500561555511.

It is a happy number.

It is not a de Polignac number, because 115555165005055 - 2¹ = 115555165005053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115555165005053) 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, 40539379 + ... + 43296091.

It is an arithmetic number, because the mean of its divisors is an integer number (8946242648784).

Almost surely, 2^{115555165005055} is an apocalyptic number.

115555165005055 is a deficient number, since it is larger than the sum of its proper divisors (27584717375489).

115555165005055 is a wasteful number, since it uses less digits than its factorization.

115555165005055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3027186.

The product of its (nonzero) digits is 2343750, while the sum is 49.

The spelling of 115555165005055 in words is "one hundred fifteen trillion, five hundred fifty-five billion, one hundred sixty-five million, five thousand, fifty-five".