25216070570 has 32 divisors (see below), whose sum is σ = 45525991680. Its totient is φ = 10056020800.

The previous prime is 25216070549. The next prime is 25216070597. The reversal of 25216070570 is 7507061252.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 25216070570.

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, 5037689 + ... + 5042691.

It is an arithmetic number, because the mean of its divisors is an integer number (1422687240).

Almost surely, 2^25216070570 is an apocalyptic number.

25216070570 is a deficient number, since it is larger than the sum of its proper divisors (20309921110).

25216070570 is a wasteful number, since it uses less digits than its factorization.

25216070570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6430.

The product of its (nonzero) digits is 29400, while the sum is 35.

The spelling of 25216070570 in words is "twenty-five billion, two hundred sixteen million, seventy thousand, five hundred seventy".