25143500534152 has 512 divisors, whose sum is σ = 66123530403840. Its totient is φ = 8646663168000.

The previous prime is 25143500534147. The next prime is 25143500534197.

25143500534152 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×25143500534152² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 7324059028 + ... + 7324062460.

It is an arithmetic number, because the mean of its divisors is an integer number (129147520320).

Almost surely, 2^{25143500534152} is an apocalyptic number.

25143500534152 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25143500534152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33061765201920).

25143500534152 is an abundant number, since it is smaller than the sum of its proper divisors (40980029869688).

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

25143500534152 is a wasteful number, since it uses less digits than its factorization.

25143500534152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3845 (or 3841 counting only the distinct ones).

The product of its (nonzero) digits is 360000, while the sum is 40.

It can be divided in two parts, 25143500 and 534152, that added together give a palindrome (25677652).

The spelling of 25143500534152 in words is "twenty-five trillion, one hundred forty-three billion, five hundred million, five hundred thirty-four thousand, one hundred fifty-two".