25464874411 has 4 divisors (see below), whose sum is σ = 25465660272. Its totient is φ = 25464088552.

The previous prime is 25464874381. The next prime is 25464874427. The reversal of 25464874411 is 11447846452.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 25464874411 - 2³³ = 16874939819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25464874441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 342136 + ... + 409861.

It is an arithmetic number, because the mean of its divisors is an integer number (6366415068).

Almost surely, 2^25464874411 is an apocalyptic number.

25464874411 is a deficient number, since it is larger than the sum of its proper divisors (785861).

25464874411 is an equidigital number, since it uses as much as digits as its factorization.

25464874411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 785860.

The product of its digits is 860160, while the sum is 46.

The spelling of 25464874411 in words is "twenty-five billion, four hundred sixty-four million, eight hundred seventy-four thousand, four hundred eleven".