101155113 has 12 divisors (see below), whose sum is σ = 146377140. Its totient is φ = 67314816.

The previous prime is 101155039. The next prime is 101155129. The reversal of 101155113 is 311551101.

101155113 is a `hidden beast` number, since 101 + 1 + 551 + 13 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 22353984 + 78801129 = 4728^2 + 8877^2 .

It is not a de Polignac number, because 101155113 - 2⁹ = 101154601 is a prime.

It is not an unprimeable number, because it can be changed into a prime (101155163) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4756 + ... + 14997.

It is an arithmetic number, because the mean of its divisors is an integer number (12198095).

Almost surely, 2^101155113 is an apocalyptic number.

It is an amenable number.

101155113 is a deficient number, since it is larger than the sum of its proper divisors (45222027).

101155113 is a wasteful number, since it uses less digits than its factorization.

101155113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20328 (or 20325 counting only the distinct ones).

The product of its (nonzero) digits is 75, while the sum is 18.

The square root of 101155113 is about 10057.5898206280. The cubic root of 101155113 is about 465.9392323765.

The spelling of 101155113 in words is "one hundred one million, one hundred fifty-five thousand, one hundred thirteen".