25217443130 has 32 divisors (see below), whose sum is σ = 49530242880. Its totient is φ = 9167691520.

The previous prime is 25217443099. The next prime is 25217443157. The reversal of 25217443130 is 3134471252.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 450641 + ... + 503499.

It is an arithmetic number, because the mean of its divisors is an integer number (1547820090).

Almost surely, 2^25217443130 is an apocalyptic number.

25217443130 is a deficient number, since it is larger than the sum of its proper divisors (24312799750).

25217443130 is a wasteful number, since it uses less digits than its factorization.

25217443130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57214.

The product of its (nonzero) digits is 20160, while the sum is 32.

The spelling of 25217443130 in words is "twenty-five billion, two hundred seventeen million, four hundred forty-three thousand, one hundred thirty".