25535253552 has 40 divisors (see below), whose sum is σ = 65994072240. Its totient is φ = 8508138240.

The previous prime is 25535253479. The next prime is 25535253553.

25535253552 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (25535253553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2574 + ... + 226002.

It is an arithmetic number, because the mean of its divisors is an integer number (1649851806).

Almost surely, 2^25535253552 is an apocalyptic number.

It is an amenable number.

25535253552 is an abundant number, since it is smaller than the sum of its proper divisors (40458818688).

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

25535253552 is a wasteful number, since it uses less digits than its factorization.

25535253552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225821 (or 225815 counting only the distinct ones).

The product of its digits is 1125000, while the sum is 42.

The spelling of 25535253552 in words is "twenty-five billion, five hundred thirty-five million, two hundred fifty-three thousand, five hundred fifty-two".