23525165133 has 6 divisors (see below), whose sum is σ = 33980794094. Its totient is φ = 15683443416.

The previous prime is 23525165117. The next prime is 23525165143. The reversal of 23525165133 is 33156152532.

23525165133 is a `hidden beast` number, since 2 + 3 + 5 + 2 + 516 + 5 + 133 = 666.

It can be written as a sum of positive squares in only one way, i.e., 16425754569 + 7099410564 = 128163^2 + 84258^2 .

It is not a de Polignac number, because 23525165133 - 2⁴ = 23525165117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23525165143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1306953610 + ... + 1306953627.

Almost surely, 2^23525165133 is an apocalyptic number.

It is an amenable number.

23525165133 is a deficient number, since it is larger than the sum of its proper divisors (10455628961).

23525165133 is a wasteful number, since it uses less digits than its factorization.

23525165133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2613907243 (or 2613907240 counting only the distinct ones).

The product of its digits is 81000, while the sum is 36.

The spelling of 23525165133 in words is "twenty-three billion, five hundred twenty-five million, one hundred sixty-five thousand, one hundred thirty-three".