6505002155201 has 8 divisors (see below), whose sum is σ = 7105916960064. Its totient is φ = 5905679179120.

The previous prime is 6505002155189. The next prime is 6505002155219. The reversal of 6505002155201 is 1025512005056.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6505002155201 - 2⁶ = 6505002155137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6505002155261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 397948646 + ... + 397964991.

It is an arithmetic number, because the mean of its divisors is an integer number (888239620008).

Almost surely, 2^{6505002155201} is an apocalyptic number.

It is an amenable number.

6505002155201 is a deficient number, since it is larger than the sum of its proper divisors (600914804863).

6505002155201 is a wasteful number, since it uses less digits than its factorization.

6505002155201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 795914391.

The product of its (nonzero) digits is 15000, while the sum is 32.

The spelling of 6505002155201 in words is "six trillion, five hundred five billion, two million, one hundred fifty-five thousand, two hundred one".