25111125343 has 4 divisors (see below), whose sum is σ = 25111511320. Its totient is φ = 25110739368.

The previous prime is 25111125341. The next prime is 25111125353. The reversal of 25111125343 is 34352111152.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 25111125343 - 2¹ = 25111125341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25111125341) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 68733 + ... + 234406.

It is an arithmetic number, because the mean of its divisors is an integer number (6277877830).

Almost surely, 2^25111125343 is an apocalyptic number.

25111125343 is a deficient number, since it is larger than the sum of its proper divisors (385977).

25111125343 is an equidigital number, since it uses as much as digits as its factorization.

25111125343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385976.

The product of its digits is 3600, while the sum is 28.

Adding to 25111125343 its reverse (34352111152), we get a palindrome (59463236495).

The spelling of 25111125343 in words is "twenty-five billion, one hundred eleven million, one hundred twenty-five thousand, three hundred forty-three".