6400605115001 has 4 divisors (see below), whose sum is σ = 6432768960000. Its totient is φ = 6368441270004.

The previous prime is 6400605114997. The next prime is 6400605115013. The reversal of 6400605115001 is 1005115060046.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6400605115001 - 2² = 6400605114997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6400605115501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16081922201 + ... + 16081922598.

It is an arithmetic number, because the mean of its divisors is an integer number (1608192240000).

Almost surely, 2^{6400605115001} is an apocalyptic number.

It is an amenable number.

6400605115001 is a deficient number, since it is larger than the sum of its proper divisors (32163844999).

6400605115001 is a wasteful number, since it uses less digits than its factorization.

6400605115001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32163844998.

The product of its (nonzero) digits is 3600, while the sum is 29.

The spelling of 6400605115001 in words is "six trillion, four hundred billion, six hundred five million, one hundred fifteen thousand, one".