6541200020144 has 40 divisors (see below), whose sum is σ = 12859007089920. Its totient is φ = 3222829029888.

The previous prime is 6541200020101. The next prime is 6541200020177. The reversal of 6541200020144 is 4410200021456.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1306439 + ... + 3845670.

It is an arithmetic number, because the mean of its divisors is an integer number (321475177248).

Almost surely, 2^{6541200020144} is an apocalyptic number.

It is an amenable number.

6541200020144 is a deficient number, since it is larger than the sum of its proper divisors (6317807069776).

6541200020144 is a wasteful number, since it uses less digits than its factorization.

6541200020144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5153277 (or 5153271 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 29.

The spelling of 6541200020144 in words is "six trillion, five hundred forty-one billion, two hundred million, twenty thousand, one hundred forty-four".