25461516105 has 80 divisors (see below), whose sum is σ = 48126830400. Its totient is φ = 12842686080.

The previous prime is 25461516089. The next prime is 25461516107. The reversal of 25461516105 is 50161516452.

25461516105 is a `hidden beast` number, since 2 + 546 + 1 + 5 + 1 + 6 + 105 = 666.

It is not a de Polignac number, because 25461516105 - 2⁴ = 25461516089 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25461516105.

It is not an unprimeable number, because it can be changed into a prime (25461516107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 5068495 + ... + 5073515.

It is an arithmetic number, because the mean of its divisors is an integer number (601585380).

Almost surely, 2^25461516105 is an apocalyptic number.

It is an amenable number.

25461516105 is a deficient number, since it is larger than the sum of its proper divisors (22665314295).

25461516105 is a wasteful number, since it uses less digits than its factorization.

25461516105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5716 (or 5707 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 36.

The spelling of 25461516105 in words is "twenty-five billion, four hundred sixty-one million, five hundred sixteen thousand, one hundred five".