25553315606 has 64 divisors (see below), whose sum is σ = 50924160000. Its totient is φ = 9336007296.

The previous prime is 25553315603. The next prime is 25553315639. The reversal of 25553315606 is 60651335552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25553315603) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16145 + ... + 226643.

It is an arithmetic number, because the mean of its divisors is an integer number (795690000).

Almost surely, 2^25553315606 is an apocalyptic number.

25553315606 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

25553315606 is a deficient number, since it is larger than the sum of its proper divisors (25370844394).

25553315606 is a wasteful number, since it uses less digits than its factorization.

25553315606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210573.

The product of its (nonzero) digits is 405000, while the sum is 41.

The spelling of 25553315606 in words is "twenty-five billion, five hundred fifty-three million, three hundred fifteen thousand, six hundred six".