25161204220124 has 36 divisors (see below), whose sum is σ = 51560235009360. Its totient is φ = 10711960156800.

The previous prime is 25161204220121. The next prime is 25161204220181. The reversal of 25161204220124 is 42102240216152.

It is a super-3 number, since 3×25161204220124³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25161204220121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 425048189 + ... + 425107380.

It is an arithmetic number, because the mean of its divisors is an integer number (1432228750260).

Almost surely, 2^{25161204220124} is an apocalyptic number.

It is an amenable number.

25161204220124 is an abundant number, since it is smaller than the sum of its proper divisors (26399030789236).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25161204220124 is a wasteful number, since it uses less digits than its factorization.

25161204220124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 850155738 (or 850155729 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 32.

Adding to 25161204220124 its reverse (42102240216152), we get a palindrome (67263444436276).

The spelling of 25161204220124 in words is "twenty-five trillion, one hundred sixty-one billion, two hundred four million, two hundred twenty thousand, one hundred twenty-four".