25305214110 has 128 divisors (see below), whose sum is σ = 69832834560. Its totient is φ = 5811187200.

The previous prime is 25305214091. The next prime is 25305214111. The reversal of 25305214110 is 1141250352.

It is a happy number.

It is a super-2 number, since 2×25305214110² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25305214111) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 482265 + ... + 532155.

It is an arithmetic number, because the mean of its divisors is an integer number (545569020).

Almost surely, 2^25305214110 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25305214110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34916417280).

25305214110 is an abundant number, since it is smaller than the sum of its proper divisors (44527620450).

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

25305214110 is a wasteful number, since it uses less digits than its factorization.

25305214110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49994.

The product of its (nonzero) digits is 1200, while the sum is 24.

Adding to 25305214110 its reverse (1141250352), we get a palindrome (26446464462).

The spelling of 25305214110 in words is "twenty-five billion, three hundred five million, two hundred fourteen thousand, one hundred ten".