25505303030 has 32 divisors (see below), whose sum is σ = 48342843360. Its totient is φ = 9661766400.

The previous prime is 25505303029. The next prime is 25505303051. The reversal of 25505303030 is 3030350552.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 554930 + ... + 599130.

It is an arithmetic number, because the mean of its divisors is an integer number (1510713855).

Almost surely, 2^25505303030 is an apocalyptic number.

25505303030 is a deficient number, since it is larger than the sum of its proper divisors (22837540330).

25505303030 is a wasteful number, since it uses less digits than its factorization.

25505303030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47264.

The product of its (nonzero) digits is 6750, while the sum is 26.

Adding to 25505303030 its reverse (3030350552), we get a palindrome (28535653582).

The spelling of 25505303030 in words is "twenty-five billion, five hundred five million, three hundred three thousand, thirty".