25525114406 has 128 divisors (see below), whose sum is σ = 48335616000. Its totient is φ = 9956044800.

The previous prime is 25525114393. The next prime is 25525114441. The reversal of 25525114406 is 60441152552.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 23015780 + ... + 23016888.

It is an arithmetic number, because the mean of its divisors is an integer number (377622000).

Almost surely, 2^25525114406 is an apocalyptic number.

25525114406 is a deficient number, since it is larger than the sum of its proper divisors (22810501594).

25525114406 is a wasteful number, since it uses less digits than its factorization.

25525114406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1278.

The product of its (nonzero) digits is 48000, while the sum is 35.

Adding to 25525114406 its reverse (60441152552), we get a palindrome (85966266958).

It can be divided in two parts, 25525 and 114406, that added together give a palindrome (139931).

The spelling of 25525114406 in words is "twenty-five billion, five hundred twenty-five million, one hundred fourteen thousand, four hundred six".