25662280051 has 8 divisors (see below), whose sum is σ = 26214197184. Its totient is φ = 25116142440.

The previous prime is 25662280037. The next prime is 25662280103. The reversal of 25662280051 is 15008226652.

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 25662280051 - 2¹⁵ = 25662247283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25662280031) 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, 1435905 + ... + 1453666.

It is an arithmetic number, because the mean of its divisors is an integer number (3276774648).

Almost surely, 2^25662280051 is an apocalyptic number.

25662280051 is a deficient number, since it is larger than the sum of its proper divisors (551917133).

25662280051 is a wasteful number, since it uses less digits than its factorization.

25662280051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2889761.

The product of its (nonzero) digits is 57600, while the sum is 37.

The spelling of 25662280051 in words is "twenty-five billion, six hundred sixty-two million, two hundred eighty thousand, fifty-one".