25272612761 has 8 divisors (see below), whose sum is σ = 27571886784. Its totient is φ = 22973632720.

The previous prime is 25272612751. The next prime is 25272612769. The reversal of 25272612761 is 16721627252.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25272612761 - 2²² = 25268418457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25272612769) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131015 + ... + 260211.

It is an arithmetic number, because the mean of its divisors is an integer number (3446485848).

Almost surely, 2^25272612761 is an apocalyptic number.

It is an amenable number.

25272612761 is a deficient number, since it is larger than the sum of its proper divisors (2299274023).

25272612761 is a wasteful number, since it uses less digits than its factorization.

25272612761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146991.

The product of its digits is 141120, while the sum is 41.

The spelling of 25272612761 in words is "twenty-five billion, two hundred seventy-two million, six hundred twelve thousand, seven hundred sixty-one".