25314550551 has 6 divisors (see below), whose sum is σ = 36565461920. Its totient is φ = 16876367028.

The previous prime is 25314550543. The next prime is 25314550619. The reversal of 25314550551 is 15505541352.

25314550551 is a `hidden beast` number, since 2 + 5 + 3 + 145 + 505 + 5 + 1 = 666.

It is not a de Polignac number, because 25314550551 - 2³ = 25314550543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25314550531) 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, 1406363911 + ... + 1406363928.

Almost surely, 2^25314550551 is an apocalyptic number.

25314550551 is a deficient number, since it is larger than the sum of its proper divisors (11250911369).

25314550551 is a wasteful number, since it uses less digits than its factorization.

25314550551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2812727845 (or 2812727842 counting only the distinct ones).

The product of its (nonzero) digits is 75000, while the sum is 36.

The spelling of 25314550551 in words is "twenty-five billion, three hundred fourteen million, five hundred fifty thousand, five hundred fifty-one".