25794953118 has 128 divisors (see below), whose sum is σ = 66269145600. Its totient is φ = 7362835200.

The previous prime is 25794953087. The next prime is 25794953131. The reversal of 25794953118 is 81135949752.

It is a happy number.

25794953118 is a `hidden beast` number, since 2 + 5 + 7 + 94 + 9 + 531 + 18 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 688005 + ... + 724527.

It is an arithmetic number, because the mean of its divisors is an integer number (517727700).

Almost surely, 2^25794953118 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25794953118, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33134572800).

25794953118 is an abundant number, since it is smaller than the sum of its proper divisors (40474192482).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25794953118 is a wasteful number, since it uses less digits than its factorization.

25794953118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36615 (or 36609 counting only the distinct ones).

The product of its digits is 2721600, while the sum is 54.

The spelling of 25794953118 in words is "twenty-five billion, seven hundred ninety-four million, nine hundred fifty-three thousand, one hundred eighteen".