25724948107 has 4 divisors (see below), whose sum is σ = 25736854456. Its totient is φ = 25713041760.

The previous prime is 25724947967. The next prime is 25724948111. The reversal of 25724948107 is 70184942752.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 25724948107 - 2¹⁵ = 25724915339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25724948167) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5949933 + ... + 5954254.

It is an arithmetic number, because the mean of its divisors is an integer number (6434213614).

Almost surely, 2^25724948107 is an apocalyptic number.

25724948107 is a deficient number, since it is larger than the sum of its proper divisors (11906349).

25724948107 is a wasteful number, since it uses less digits than its factorization.

25724948107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11906348.

The product of its (nonzero) digits is 1128960, while the sum is 49.

The spelling of 25724948107 in words is "twenty-five billion, seven hundred twenty-four million, nine hundred forty-eight thousand, one hundred seven".