25342235105 has 64 divisors (see below), whose sum is σ = 34995511296. Its totient is φ = 17449344000.

The previous prime is 25342235081. The next prime is 25342235111. The reversal of 25342235105 is 50153224352.

It is not a de Polignac number, because 25342235105 - 2¹⁰ = 25342234081 is a prime.

It is a super-2 number, since 2×25342235105² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 18619625 + ... + 18620985.

It is an arithmetic number, because the mean of its divisors is an integer number (546804864).

Almost surely, 2^25342235105 is an apocalyptic number.

It is an amenable number.

25342235105 is a deficient number, since it is larger than the sum of its proper divisors (9653276191).

25342235105 is a wasteful number, since it uses less digits than its factorization.

25342235105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1638.

The product of its (nonzero) digits is 36000, while the sum is 32.

Adding to 25342235105 its reverse (50153224352), we get a palindrome (75495459457).

The spelling of 25342235105 in words is "twenty-five billion, three hundred forty-two million, two hundred thirty-five thousand, one hundred five".