25523223134131 has 16 divisors (see below), whose sum is σ = 26341363407744. Its totient is φ = 24712087181184.

The previous prime is 25523223134119. The next prime is 25523223134147. The reversal of 25523223134131 is 13143132232552.

It is a cyclic number.

It is not a de Polignac number, because 25523223134131 - 2⁵ = 25523223134099 is a prime.

It is a super-2 number, since 2×25523223134131² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25523223104131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5600566 + ... + 9078148.

It is an arithmetic number, because the mean of its divisors is an integer number (1646335212984).

Almost surely, 2^{25523223134131} is an apocalyptic number.

25523223134131 is a deficient number, since it is larger than the sum of its proper divisors (818140273613).

25523223134131 is a wasteful number, since it uses less digits than its factorization.

25523223134131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3478590.

The product of its digits is 129600, while the sum is 37.

Adding to 25523223134131 its reverse (13143132232552), we get a palindrome (38666355366683).

The spelling of 25523223134131 in words is "twenty-five trillion, five hundred twenty-three billion, two hundred twenty-three million, one hundred thirty-four thousand, one hundred thirty-one".