25105484651 has 16 divisors (see below), whose sum is σ = 27704920320. Its totient is φ = 22607513760.

The previous prime is 25105484639. The next prime is 25105484659. The reversal of 25105484651 is 15648450152.

It is not a de Polignac number, because 25105484651 - 2¹⁸ = 25105222507 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25105484599 and 25105484608.

It is not an unprimeable number, because it can be changed into a prime (25105484659) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24455 + ... + 225408.

It is an arithmetic number, because the mean of its divisors is an integer number (1731557520).

Almost surely, 2^25105484651 is an apocalyptic number.

25105484651 is a deficient number, since it is larger than the sum of its proper divisors (2599435669).

25105484651 is a wasteful number, since it uses less digits than its factorization.

25105484651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250066.

The product of its (nonzero) digits is 192000, while the sum is 41.

The spelling of 25105484651 in words is "twenty-five billion, one hundred five million, four hundred eighty-four thousand, six hundred fifty-one".