25131222213153 has 64 divisors (see below), whose sum is σ = 42112450437120. Its totient is φ = 13004167698432.

The previous prime is 25131222213137. The next prime is 25131222213169. The reversal of 25131222213153 is 35131222213152.

It is an interprime number because it is at equal distance from previous prime (25131222213137) and next prime (25131222213169).

It is not a de Polignac number, because 25131222213153 - 2⁴ = 25131222213137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25131222213953) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11703076 + ... + 13682997.

It is an arithmetic number, because the mean of its divisors is an integer number (658007038080).

Almost surely, 2^{25131222213153} is an apocalyptic number.

It is an amenable number.

25131222213153 is a deficient number, since it is larger than the sum of its proper divisors (16981228223967).

25131222213153 is a wasteful number, since it uses less digits than its factorization.

25131222213153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25386206.

The product of its digits is 21600, while the sum is 33.

Subtracting 25131222213153 from its reverse (35131222213152), we obtain a palindrome (9999999999999).

It can be divided in two parts, 2513122 and 2213153, that added together give a triangular number (4726275 = T₃₀₇₄).

The spelling of 25131222213153 in words is "twenty-five trillion, one hundred thirty-one billion, two hundred twenty-two million, two hundred thirteen thousand, one hundred fifty-three".