6541150322551 has 16 divisors (see below), whose sum is σ = 7065511689600. Its totient is φ = 6019830528768.

The previous prime is 6541150322513. The next prime is 6541150322557. The reversal of 6541150322551 is 1552230511456.

It is a cyclic number.

It is not a de Polignac number, because 6541150322551 - 2²⁵ = 6541116768119 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6541150322557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11334370 + ... + 11897488.

It is an arithmetic number, because the mean of its divisors is an integer number (441594480600).

Almost surely, 2^{6541150322551} is an apocalyptic number.

6541150322551 is a deficient number, since it is larger than the sum of its proper divisors (524361367049).

6541150322551 is a wasteful number, since it uses less digits than its factorization.

6541150322551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565818.

The product of its (nonzero) digits is 180000, while the sum is 40.

The spelling of 6541150322551 in words is "six trillion, five hundred forty-one billion, one hundred fifty million, three hundred twenty-two thousand, five hundred fifty-one".