25130243299 has 16 divisors (see below), whose sum is σ = 28980633600. Its totient is φ = 21345619680.

The previous prime is 25130243297. The next prime is 25130243381. The reversal of 25130243299 is 99234203152.

It is not a de Polignac number, because 25130243299 - 2¹ = 25130243297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25130243297) 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, 421582 + ... + 477484.

It is an arithmetic number, because the mean of its divisors is an integer number (1811289600).

Almost surely, 2^25130243299 is an apocalyptic number.

25130243299 is a deficient number, since it is larger than the sum of its proper divisors (3850390301).

25130243299 is a wasteful number, since it uses less digits than its factorization.

25130243299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56490.

The product of its (nonzero) digits is 116640, while the sum is 40.

The spelling of 25130243299 in words is "twenty-five billion, one hundred thirty million, two hundred forty-three thousand, two hundred ninety-nine".