6551155466013 has 4 divisors (see below), whose sum is σ = 8734873954688. Its totient is φ = 4367436977340.

The previous prime is 6551155465999. The next prime is 6551155466041. The reversal of 6551155466013 is 3106645511556.

It is a happy number.

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 not a de Polignac number, because 6551155466013 - 2⁶ = 6551155465949 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6551155466113) 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, 1091859244333 + ... + 1091859244338.

It is an arithmetic number, because the mean of its divisors is an integer number (2183718488672).

Almost surely, 2^{6551155466013} is an apocalyptic number.

It is an amenable number.

6551155466013 is a deficient number, since it is larger than the sum of its proper divisors (2183718488675).

6551155466013 is a wasteful number, since it uses less digits than its factorization.

6551155466013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2183718488674.

The product of its (nonzero) digits is 1620000, while the sum is 48.

The spelling of 6551155466013 in words is "six trillion, five hundred fifty-one billion, one hundred fifty-five million, four hundred sixty-six thousand, thirteen".