25247617011 has 6 divisors (see below), whose sum is σ = 36468780140. Its totient is φ = 16831744668.

The previous prime is 25247616983. The next prime is 25247617013. The reversal of 25247617011 is 11071674252.

25247617011 is a `hidden beast` number, since 2 + 5 + 2 + 476 + 170 + 11 = 666.

It is not a de Polignac number, because 25247617011 - 2²⁶ = 25180508147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25247617013) 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, 1402645381 + ... + 1402645398.

Almost surely, 2^25247617011 is an apocalyptic number.

25247617011 is a deficient number, since it is larger than the sum of its proper divisors (11221163129).

25247617011 is a wasteful number, since it uses less digits than its factorization.

25247617011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2805290785 (or 2805290782 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 36.

The spelling of 25247617011 in words is "twenty-five billion, two hundred forty-seven million, six hundred seventeen thousand, eleven".