25111648848 has 240 divisors, whose sum is σ = 77559896960. Its totient is φ = 6953886720.

The previous prime is 25111648829. The next prime is 25111648871. The reversal of 25111648848 is 84884611152.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 25111648797 and 25111648806.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7775298 + ... + 7778526.

Almost surely, 2^25111648848 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 25111648848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38779948480).

25111648848 is an abundant number, since it is smaller than the sum of its proper divisors (52448248112).

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

25111648848 is a wasteful number, since it uses less digits than its factorization.

25111648848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3378 (or 3361 counting only the distinct ones).

The product of its digits is 491520, while the sum is 48.

The spelling of 25111648848 in words is "twenty-five billion, one hundred eleven million, six hundred forty-eight thousand, eight hundred forty-eight".