25533333333552 has 160 divisors (see below), whose sum is σ = 74580384764160. Its totient is φ = 7459188341760.

The previous prime is 25533333333533. The next prime is 25533333333637.

25533333333552 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×25533333333552² (a number of 28 digits) contains 22 as substring.

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

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, 3865938 + ... + 8124785.

It is an arithmetic number, because the mean of its divisors is an integer number (466127404776).

Almost surely, 2^{25533333333552} is an apocalyptic number.

25533333333552 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

25533333333552 is an abundant number, since it is smaller than the sum of its proper divisors (49047051430608).

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

25533333333552 is a wasteful number, since it uses less digits than its factorization.

25533333333552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11990891 (or 11990885 counting only the distinct ones).

The product of its digits is 16402500, while the sum is 48.

It can be divided in two parts, 2553333 and 3333552, that added together give a palindrome (5886885).

The spelling of 25533333333552 in words is "twenty-five trillion, five hundred thirty-three billion, three hundred thirty-three million, three hundred thirty-three thousand, five hundred fifty-two".