25554052451 has 8 divisors (see below), whose sum is σ = 26934835200. Its totient is φ = 24176853000.

The previous prime is 25554052439. The next prime is 25554052471. The reversal of 25554052451 is 15425045552.

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 25554052451 - 2⁶ = 25554052387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25554052471) 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, 881171 + ... + 909708.

It is an arithmetic number, because the mean of its divisors is an integer number (3366854400).

Almost surely, 2^25554052451 is an apocalyptic number.

25554052451 is a deficient number, since it is larger than the sum of its proper divisors (1380782749).

25554052451 is a wasteful number, since it uses less digits than its factorization.

25554052451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1791649.

The product of its (nonzero) digits is 200000, while the sum is 38.

The spelling of 25554052451 in words is "twenty-five billion, five hundred fifty-four million, fifty-two thousand, four hundred fifty-one".