25772461755 has 8 divisors (see below), whose sum is σ = 41235938832. Its totient is φ = 13745312928.

The previous prime is 25772461717. The next prime is 25772461769. The reversal of 25772461755 is 55716427752.

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

It is not a de Polignac number, because 25772461755 - 2²² = 25768267451 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25772461698 and 25772461707.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 859082044 + ... + 859082073.

It is an arithmetic number, because the mean of its divisors is an integer number (5154492354).

Almost surely, 2^25772461755 is an apocalyptic number.

25772461755 is a deficient number, since it is larger than the sum of its proper divisors (15463477077).

25772461755 is a wasteful number, since it uses less digits than its factorization.

25772461755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1718164125.

The product of its digits is 4116000, while the sum is 51.

The spelling of 25772461755 in words is "twenty-five billion, seven hundred seventy-two million, four hundred sixty-one thousand, seven hundred fifty-five".