51326431363111 has 8 divisors (see below), whose sum is σ = 53410239970560. Its totient is φ = 49283085058872.

The previous prime is 51326431363019. The next prime is 51326431363121. The reversal of 51326431363111 is 11136313462315.

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 51326431363111 - 2⁹ = 51326431362599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51326431363121) 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, 10115573215 + ... + 10115578288.

It is an arithmetic number, because the mean of its divisors is an integer number (6676279996320).

Almost surely, 2^{51326431363111} is an apocalyptic number.

51326431363111 is a deficient number, since it is larger than the sum of its proper divisors (2083808607449).

51326431363111 is a wasteful number, since it uses less digits than its factorization.

51326431363111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20231151605.

The product of its digits is 116640, while the sum is 40.

The spelling of 51326431363111 in words is "fifty-one trillion, three hundred twenty-six billion, four hundred thirty-one million, three hundred sixty-three thousand, one hundred eleven".