25505430039254 has 16 divisors (see below), whose sum is σ = 42754113326736. Its totient is φ = 11310611990400.

The previous prime is 25505430039247. The next prime is 25505430039277. The reversal of 25505430039254 is 45293003450552.

It is a happy number.

It is a super-2 number, since 2×25505430039254² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25505430039199 and 25505430039208.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14138264087 + ... + 14138265890.

It is an arithmetic number, because the mean of its divisors is an integer number (2672132082921).

Almost surely, 2^{25505430039254} is an apocalyptic number.

25505430039254 is a deficient number, since it is larger than the sum of its proper divisors (17248683287482).

25505430039254 is a wasteful number, since it uses less digits than its factorization.

25505430039254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28276530031.

The product of its (nonzero) digits is 3240000, while the sum is 47.

The spelling of 25505430039254 in words is "twenty-five trillion, five hundred five billion, four hundred thirty million, thirty-nine thousand, two hundred fifty-four".