115620057099 has 8 divisors (see below), whose sum is σ = 171288973520. Its totient is φ = 77080038048.

The previous prime is 115620057089. The next prime is 115620057131. The reversal of 115620057099 is 990750026511.

115620057099 is a `hidden beast` number, since 1 + 1 + 56 + 20 + 0 + 570 + 9 + 9 = 666.

It is not a de Polignac number, because 115620057099 - 2³⁵ = 81260318731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115620057089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2141112142 + ... + 2141112195.

It is an arithmetic number, because the mean of its divisors is an integer number (21411121690).

Almost surely, 2^115620057099 is an apocalyptic number.

115620057099 is a deficient number, since it is larger than the sum of its proper divisors (55668916421).

115620057099 is an equidigital number, since it uses as much as digits as its factorization.

115620057099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4282224346 (or 4282224340 counting only the distinct ones).

The product of its (nonzero) digits is 170100, while the sum is 45.

The spelling of 115620057099 in words is "one hundred fifteen billion, six hundred twenty million, fifty-seven thousand, ninety-nine".