25133060961 has 6 divisors (see below), whose sum is σ = 36303310290. Its totient is φ = 16755373968.

The previous prime is 25133060959. The next prime is 25133060999. The reversal of 25133060961 is 16906033152.

25133060961 is a `hidden beast` number, since 2 + 5 + 13 + 30 + 609 + 6 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 25095312225 + 37748736 = 158415^2 + 6144^2 .

It is not a de Polignac number, because 25133060961 - 2¹ = 25133060959 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25133060921) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1396281156 + ... + 1396281173.

It is an arithmetic number, because the mean of its divisors is an integer number (6050551715).

Almost surely, 2^25133060961 is an apocalyptic number.

It is an amenable number.

25133060961 is a deficient number, since it is larger than the sum of its proper divisors (11170249329).

25133060961 is a wasteful number, since it uses less digits than its factorization.

25133060961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2792562335 (or 2792562332 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 36.

The spelling of 25133060961 in words is "twenty-five billion, one hundred thirty-three million, sixty thousand, nine hundred sixty-one".