25151215152 has 160 divisors (see below), whose sum is σ = 76359112704. Its totient is φ = 6983884800.

The previous prime is 25151215109. The next prime is 25151215181.

25151215152 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3729928 + ... + 3736664.

Almost surely, 2^25151215152 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 25151215152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38179556352).

25151215152 is an abundant number, since it is smaller than the sum of its proper divisors (51207897552).

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

25151215152 is a wasteful number, since it uses less digits than its factorization.

25151215152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7067 (or 7061 counting only the distinct ones).

The product of its digits is 5000, while the sum is 30.

The spelling of 25151215152 in words is "twenty-five billion, one hundred fifty-one million, two hundred fifteen thousand, one hundred fifty-two".