25435311353452 has 144 divisors (see below), whose sum is σ = 62705181030912. Its totient is φ = 8749843914240.

The previous prime is 25435311353407. The next prime is 25435311353489.

25435311353452 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9425673 + ... + 11820064.

It is an arithmetic number, because the mean of its divisors is an integer number (435452646048).

Almost surely, 2^{25435311353452} is an apocalyptic number.

25435311353452 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

25435311353452 is an abundant number, since it is smaller than the sum of its proper divisors (37269869677460).

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

25435311353452 is a wasteful number, since it uses less digits than its factorization.

25435311353452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21245808 (or 21245793 counting only the distinct ones).

The product of its digits is 3240000, while the sum is 46.

It can be divided in two parts, 2543531 and 1353452, that added together give a palindrome (3896983).

The spelling of 25435311353452 in words is "twenty-five trillion, four hundred thirty-five billion, three hundred eleven million, three hundred fifty-three thousand, four hundred fifty-two".