25122520252311 has 4 divisors (see below), whose sum is σ = 33496693669752. Its totient is φ = 16748346834872.

The previous prime is 25122520252309. The next prime is 25122520252351. The reversal of 25122520252311 is 11325202522152.

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 25122520252311 - 2¹ = 25122520252309 is a prime.

It is a super-2 number, since 2×25122520252311² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25122520252351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4187086708716 + ... + 4187086708721.

It is an arithmetic number, because the mean of its divisors is an integer number (8374173417438).

Almost surely, 2^{25122520252311} is an apocalyptic number.

25122520252311 is a deficient number, since it is larger than the sum of its proper divisors (8374173417441).

25122520252311 is an equidigital number, since it uses as much as digits as its factorization.

25122520252311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8374173417440.

The product of its (nonzero) digits is 24000, while the sum is 33.

Adding to 25122520252311 its reverse (11325202522152), we get a palindrome (36447722774463).

The spelling of 25122520252311 in words is "twenty-five trillion, one hundred twenty-two billion, five hundred twenty million, two hundred fifty-two thousand, three hundred eleven".