111641652125163 has 24 divisors (see below), whose sum is σ = 166838540497200. Its totient is φ = 71853676891584.

The previous prime is 111641652125131. The next prime is 111641652125197. The reversal of 111641652125163 is 361521256146111.

111641652125163 is a `hidden beast` number, since 1 + 1 + 1 + 6 + 4 + 16 + 521 + 2 + 51 + 63 = 666.

It is not a de Polignac number, because 111641652125163 - 2⁵ = 111641652125131 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111641652125963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20200173 + ... + 25126286.

It is an arithmetic number, because the mean of its divisors is an integer number (6951605854050).

Almost surely, 2^{111641652125163} is an apocalyptic number.

111641652125163 is a deficient number, since it is larger than the sum of its proper divisors (55196888372037).

111641652125163 is a wasteful number, since it uses less digits than its factorization.

111641652125163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45335931 (or 45335928 counting only the distinct ones).

The product of its digits is 259200, while the sum is 45.

The spelling of 111641652125163 in words is "one hundred eleven trillion, six hundred forty-one billion, six hundred fifty-two million, one hundred twenty-five thousand, one hundred sixty-three".