636113612005 has 64 divisors (see below), whose sum is σ = 826641580032. Its totient is φ = 468176163840.

The previous prime is 636113611993. The next prime is 636113612023. The reversal of 636113612005 is 500216311636.

636113612005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 636113612005 - 2¹³ = 636113603813 is a prime.

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, 585200572 + ... + 585201658.

It is an arithmetic number, because the mean of its divisors is an integer number (12916274688).

Almost surely, 2^636113612005 is an apocalyptic number.

It is an amenable number.

636113612005 is a deficient number, since it is larger than the sum of its proper divisors (190527968027).

636113612005 is a wasteful number, since it uses less digits than its factorization.

636113612005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1874.

The product of its (nonzero) digits is 19440, while the sum is 34.

The spelling of 636113612005 in words is "six hundred thirty-six billion, one hundred thirteen million, six hundred twelve thousand, five".