25105011412434 has 64 divisors (see below), whose sum is σ = 53681900912640. Its totient is φ = 7799296078080.

The previous prime is 25105011412433. The next prime is 25105011412501. The reversal of 25105011412434 is 43421411050152.

It is a junction number, because it is equal to n+sod(n) for n = 25105011412395 and 25105011412404.

It is not an unprimeable number, because it can be changed into a prime (25105011412433) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 509421807 + ... + 509471085.

It is an arithmetic number, because the mean of its divisors is an integer number (838779701760).

Almost surely, 2^{25105011412434} is an apocalyptic number.

25105011412434 is an abundant number, since it is smaller than the sum of its proper divisors (28576889500206).

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

25105011412434 is a wasteful number, since it uses less digits than its factorization.

25105011412434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97895.

The product of its (nonzero) digits is 19200, while the sum is 33.

Adding to 25105011412434 its reverse (43421411050152), we get a palindrome (68526422462586).

The spelling of 25105011412434 in words is "twenty-five trillion, one hundred five billion, eleven million, four hundred twelve thousand, four hundred thirty-four".