25510262958291 has 4 divisors (see below), whose sum is σ = 34013683944392. Its totient is φ = 17006841972192.

The previous prime is 25510262958263. The next prime is 25510262958307. The reversal of 25510262958291 is 19285926201552.

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

It is not a de Polignac number, because 25510262958291 - 2²² = 25510258763987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25510262958221) 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, 4251710493046 + ... + 4251710493051.

It is an arithmetic number, because the mean of its divisors is an integer number (8503420986098).

Almost surely, 2^{25510262958291} is an apocalyptic number.

25510262958291 is a deficient number, since it is larger than the sum of its proper divisors (8503420986101).

25510262958291 is an equidigital number, since it uses as much as digits as its factorization.

25510262958291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8503420986100.

The product of its (nonzero) digits is 7776000, while the sum is 57.

The spelling of 25510262958291 in words is "twenty-five trillion, five hundred ten billion, two hundred sixty-two million, nine hundred fifty-eight thousand, two hundred ninety-one".