115633366221 has 16 divisors (see below), whose sum is σ = 156086461440. Its totient is φ = 76135199280.

The previous prime is 115633366213. The next prime is 115633366229. The reversal of 115633366221 is 122663336511.

It is an interprime number because it is at equal distance from previous prime (115633366213) and next prime (115633366229).

It is not a de Polignac number, because 115633366221 - 2³ = 115633366213 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 115633366221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115633366229) 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, 702186 + ... + 851076.

It is an arithmetic number, because the mean of its divisors is an integer number (9755403840).

Almost surely, 2^115633366221 is an apocalyptic number.

It is an amenable number.

115633366221 is a deficient number, since it is larger than the sum of its proper divisors (40453095219).

115633366221 is a wasteful number, since it uses less digits than its factorization.

115633366221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152096.

The product of its digits is 116640, while the sum is 39.

The spelling of 115633366221 in words is "one hundred fifteen billion, six hundred thirty-three million, three hundred sixty-six thousand, two hundred twenty-one".