25313055535 has 8 divisors (see below), whose sum is σ = 30376523376. Its totient is φ = 20249873280.

The previous prime is 25313055529. The next prime is 25313055553. The reversal of 25313055535 is 53555031352.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 25313055535 - 2³ = 25313055527 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25313055494 and 25313055503.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 288972 + ... + 366238.

It is an arithmetic number, because the mean of its divisors is an integer number (3797065422).

Almost surely, 2^25313055535 is an apocalyptic number.

25313055535 is a deficient number, since it is larger than the sum of its proper divisors (5063467841).

25313055535 is an equidigital number, since it uses as much as digits as its factorization.

25313055535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142793.

The product of its (nonzero) digits is 168750, while the sum is 37.

Adding to 25313055535 its reverse (53555031352), we get a palindrome (78868086887).

The spelling of 25313055535 in words is "twenty-five billion, three hundred thirteen million, fifty-five thousand, five hundred thirty-five".