25513451214 has 16 divisors (see below), whose sum is σ = 51308821200. Its totient is φ = 8457497280.

The previous prime is 25513451209. The next prime is 25513451273. The reversal of 25513451214 is 41215431552.

It is a congruent number.

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, 11745439 + ... + 11747610.

It is an arithmetic number, because the mean of its divisors is an integer number (3206801325).

Almost surely, 2^25513451214 is an apocalyptic number.

25513451214 is an abundant number, since it is smaller than the sum of its proper divisors (25795369986).

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

25513451214 is a wasteful number, since it uses less digits than its factorization.

25513451214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23493235.

The product of its digits is 24000, while the sum is 33.

Adding to 25513451214 its reverse (41215431552), we get a palindrome (66728882766).

The spelling of 25513451214 in words is "twenty-five billion, five hundred thirteen million, four hundred fifty-one thousand, two hundred fourteen".