115650615066 has 24 divisors (see below), whose sum is σ = 269064696960. Its totient is φ = 33043032792.

The previous prime is 115650615019. The next prime is 115650615071. The reversal of 115650615066 is 660516056511.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 196684426 + ... + 196685013.

It is an arithmetic number, because the mean of its divisors is an integer number (11211029040).

Almost surely, 2^115650615066 is an apocalyptic number.

115650615066 is an abundant number, since it is smaller than the sum of its proper divisors (153414081894).

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

115650615066 is a wasteful number, since it uses less digits than its factorization.

115650615066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393369458 (or 393369451 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 42.

The spelling of 115650615066 in words is "one hundred fifteen billion, six hundred fifty million, six hundred fifteen thousand, sixty-six".