25154645152 has 384 divisors, whose sum is σ = 66523742208. Its totient is φ = 9093427200.

The previous prime is 25154645141. The next prime is 25154645203.

25154645152 is nontrivially palindromic in base 10.

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, 192020127 + ... + 192020257.

It is an arithmetic number, because the mean of its divisors is an integer number (173238912).

Almost surely, 2^25154645152 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 25154645152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33261871104).

25154645152 is an abundant number, since it is smaller than the sum of its proper divisors (41369097056).

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

25154645152 is a wasteful number, since it uses less digits than its factorization.

25154645152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292 (or 284 counting only the distinct ones).

The product of its digits is 240000, while the sum is 40.

The spelling of 25154645152 in words is "twenty-five billion, one hundred fifty-four million, six hundred forty-five thousand, one hundred fifty-two".