25767783122216 has 128 divisors (see below), whose sum is σ = 51350403686400. Its totient is φ = 12107909445120.

The previous prime is 25767783122209. The next prime is 25767783122219. The reversal of 25767783122216 is 61222138776752.

It is not an unprimeable number, because it can be changed into a prime (25767783122219) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 258769445 + ... + 258869003.

It is an arithmetic number, because the mean of its divisors is an integer number (401175028800).

Almost surely, 2^{25767783122216} is an apocalyptic number.

It is an amenable number.

25767783122216 is a deficient number, since it is larger than the sum of its proper divisors (25582620564184).

25767783122216 is a wasteful number, since it uses less digits than its factorization.

25767783122216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99919 (or 99915 counting only the distinct ones).

The product of its digits is 23708160, while the sum is 59.

The spelling of 25767783122216 in words is "twenty-five trillion, seven hundred sixty-seven billion, seven hundred eighty-three million, one hundred twenty-two thousand, two hundred sixteen".