6540352420611 has 8 divisors (see below), whose sum is σ = 9179441993920. Its totient is φ = 4130748897192.

The previous prime is 6540352420523. The next prime is 6540352420619. The reversal of 6540352420611 is 1160242530456.

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

It is not a de Polignac number, because 6540352420611 - 2²⁹ = 6539815549699 is a prime.

It is a super-2 number, since 2×6540352420611² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6540352420611.

It is not an unprimeable number, because it can be changed into a prime (6540352420619) 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, 57371512405 + ... + 57371512518.

It is an arithmetic number, because the mean of its divisors is an integer number (1147430249240).

Almost surely, 2^{6540352420611} is an apocalyptic number.

6540352420611 is a deficient number, since it is larger than the sum of its proper divisors (2639089573309).

6540352420611 is a wasteful number, since it uses less digits than its factorization.

6540352420611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114743024945.

The product of its (nonzero) digits is 172800, while the sum is 39.

The spelling of 6540352420611 in words is "six trillion, five hundred forty billion, three hundred fifty-two million, four hundred twenty thousand, six hundred eleven".