25105020332 has 24 divisors (see below), whose sum is σ = 50959448064. Its totient is φ = 10598707152.

The previous prime is 25105020307. The next prime is 25105020341. The reversal of 25105020332 is 23302050152.

It is a junction number, because it is equal to n+sod(n) for n = 25105020298 and 25105020307.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6689228 + ... + 6692979.

It is an arithmetic number, because the mean of its divisors is an integer number (2123310336).

Almost surely, 2^25105020332 is an apocalyptic number.

It is an amenable number.

25105020332 is an abundant number, since it is smaller than the sum of its proper divisors (25854427732).

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

25105020332 is a wasteful number, since it uses less digits than its factorization.

25105020332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13382285 (or 13382283 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 23.

Adding to 25105020332 its reverse (23302050152), we get a palindrome (48407070484).

The spelling of 25105020332 in words is "twenty-five billion, one hundred five million, twenty thousand, three hundred thirty-two".