25190242845 has 32 divisors (see below), whose sum is σ = 42845777280. Its totient is φ = 12601670400.

The previous prime is 25190242829. The next prime is 25190242859. The reversal of 25190242845 is 54824209152.

It is not a de Polignac number, because 25190242845 - 2⁴ = 25190242829 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25190242797 and 25190242806.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 408774 + ... + 466343.

It is an arithmetic number, because the mean of its divisors is an integer number (1338930540).

Almost surely, 2^25190242845 is an apocalyptic number.

It is an amenable number.

25190242845 is a deficient number, since it is larger than the sum of its proper divisors (17655534435).

25190242845 is a wasteful number, since it uses less digits than its factorization.

25190242845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 875245.

The product of its (nonzero) digits is 230400, while the sum is 42.

The spelling of 25190242845 in words is "twenty-five billion, one hundred ninety million, two hundred forty-two thousand, eight hundred forty-five".