25053811488 has 96 divisors (see below), whose sum is σ = 73477797120. Its totient is φ = 8305079040.

The previous prime is 25053811487. The next prime is 25053811499. The reversal of 25053811488 is 88411835052.

25053811488 is a `hidden beast` number, since 25 + 0 + 538 + 1 + 14 + 88 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (25053811487) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76281 + ... + 236487.

It is an arithmetic number, because the mean of its divisors is an integer number (765393720).

Almost surely, 2^25053811488 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 25053811488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36738898560).

25053811488 is an abundant number, since it is smaller than the sum of its proper divisors (48423985632).

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

25053811488 is a wasteful number, since it uses less digits than its factorization.

25053811488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160407 (or 160393 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 45.

The spelling of 25053811488 in words is "twenty-five billion, fifty-three million, eight hundred eleven thousand, four hundred eighty-eight".