25235124013 has 8 divisors (see below), whose sum is σ = 27801794016. Its totient is φ = 22713882000.

The previous prime is 25235124011. The next prime is 25235124041. The reversal of 25235124013 is 31042153252.

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

It is a cyclic number.

It is not a de Polignac number, because 25235124013 - 2¹ = 25235124011 is a prime.

It is a super-2 number, since 2×25235124013² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25235124011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11355831 + ... + 11358052.

It is an arithmetic number, because the mean of its divisors is an integer number (3475224252).

Almost surely, 2^25235124013 is an apocalyptic number.

It is an amenable number.

25235124013 is a deficient number, since it is larger than the sum of its proper divisors (2566670003).

25235124013 is a wasteful number, since it uses less digits than its factorization.

25235124013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22713995.

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 25235124013 its reverse (31042153252), we get a palindrome (56277277265).

The spelling of 25235124013 in words is "twenty-five billion, two hundred thirty-five million, one hundred twenty-four thousand, thirteen".