25161084396 has 288 divisors, whose sum is σ = 79570737792. Its totient is φ = 6539304960.

The previous prime is 25161084341. The next prime is 25161084407. The reversal of 25161084396 is 69348016152.

25161084396 is a `hidden beast` number, since 2 + 516 + 1 + 0 + 8 + 43 + 96 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 28689510 + ... + 28690386.

It is an arithmetic number, because the mean of its divisors is an integer number (276287284).

Almost surely, 2^25161084396 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25161084396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39785368896).

25161084396 is an abundant number, since it is smaller than the sum of its proper divisors (54409653396).

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

25161084396 is a wasteful number, since it uses less digits than its factorization.

25161084396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1129 (or 1124 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The spelling of 25161084396 in words is "twenty-five billion, one hundred sixty-one million, eighty-four thousand, three hundred ninety-six".