25200111100252 has 12 divisors (see below), whose sum is σ = 48109303009656. Its totient is φ = 11454595954640.

The previous prime is 25200111100243. The next prime is 25200111100253.

It is a happy number.

25200111100252 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25200111100253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 286364898823 + ... + 286364898910.

It is an arithmetic number, because the mean of its divisors is an integer number (4009108584138).

Almost surely, 2^{25200111100252} is an apocalyptic number.

25200111100252 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

25200111100252 is a deficient number, since it is larger than the sum of its proper divisors (22909191909404).

25200111100252 is a wasteful number, since it uses less digits than its factorization.

25200111100252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572729797748 (or 572729797746 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 22.

It can be divided in two parts, 2520011 and 1100252, that added together give a palindrome (3620263).

The spelling of 25200111100252 in words is "twenty-five trillion, two hundred billion, one hundred eleven million, one hundred thousand, two hundred fifty-two".