25500111342 has 16 divisors (see below), whose sum is σ = 51222933840. Its totient is φ = 8462918592.

The previous prime is 25500111313. The next prime is 25500111349. The reversal of 25500111342 is 24311100552.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25500111349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9278143 + ... + 9280890.

It is an arithmetic number, because the mean of its divisors is an integer number (3201433365).

Almost surely, 2^25500111342 is an apocalyptic number.

25500111342 is an abundant number, since it is smaller than the sum of its proper divisors (25722822498).

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

25500111342 is a wasteful number, since it uses less digits than its factorization.

25500111342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18559267.

The product of its (nonzero) digits is 1200, while the sum is 24.

Adding to 25500111342 its reverse (24311100552), we get a palindrome (49811211894).

The spelling of 25500111342 in words is "twenty-five billion, five hundred million, one hundred eleven thousand, three hundred forty-two".