253608128805 has 16 divisors (see below), whose sum is σ = 405822029184. Its totient is φ = 135241327680.

The previous prime is 253608128801. The next prime is 253608128827. The reversal of 253608128805 is 508821806352.

It is not a de Polignac number, because 253608128805 - 2² = 253608128801 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253608128801) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 892494 + ... + 1141823.

It is an arithmetic number, because the mean of its divisors is an integer number (25363876824).

Almost surely, 2^253608128805 is an apocalyptic number.

It is an amenable number.

253608128805 is a deficient number, since it is larger than the sum of its proper divisors (152213900379).

253608128805 is a wasteful number, since it uses less digits than its factorization.

253608128805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2042636.

The product of its (nonzero) digits is 921600, while the sum is 48.

The spelling of 253608128805 in words is "two hundred fifty-three billion, six hundred eight million, one hundred twenty-eight thousand, eight hundred five".