25225114209 has 16 divisors (see below), whose sum is σ = 34421823744. Its totient is φ = 16422714000.

The previous prime is 25225114193. The next prime is 25225114219. The reversal of 25225114209 is 90241152252.

It is not a de Polignac number, because 25225114209 - 2⁴ = 25225114193 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25225114209.

It is not an unprimeable number, because it can be changed into a prime (25225114219) 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, 885234 + ... + 913284.

It is an arithmetic number, because the mean of its divisors is an integer number (2151363984).

Almost surely, 2^25225114209 is an apocalyptic number.

It is an amenable number.

25225114209 is a deficient number, since it is larger than the sum of its proper divisors (9196709535).

25225114209 is a wasteful number, since it uses less digits than its factorization.

25225114209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35068.

The product of its (nonzero) digits is 14400, while the sum is 33.

The spelling of 25225114209 in words is "twenty-five billion, two hundred twenty-five million, one hundred fourteen thousand, two hundred nine".