51013320000001 has 2 divisors, whose sum is σ = 51013320000002. Its totient is φ = 51013320000000.

The previous prime is 51013319999977. The next prime is 51013320000037. The reversal of 51013320000001 is 10000002331015.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35090825910001 + 15922494090000 = 5923751^2 + 3990300^2 .

It is a cyclic number.

It is not a de Polignac number, because 51013320000001 - 2²⁹ = 51012783129089 is a prime.

It is a super-3 number, since 3×51013320000001³ (a number of 42 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 51013320000001.

It is not a weakly prime, because it can be changed into another prime (51013320090001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25506660000000 + 25506660000001.

It is an arithmetic number, because the mean of its divisors is an integer number (25506660000001).

Almost surely, 2^{51013320000001} is an apocalyptic number.

It is an amenable number.

51013320000001 is a deficient number, since it is larger than the sum of its proper divisors (1).

51013320000001 is an equidigital number, since it uses as much as digits as its factorization.

51013320000001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90, while the sum is 16.

Adding to 51013320000001 its reverse (10000002331015), we get a palindrome (61013322331016).

The spelling of 51013320000001 in words is "fifty-one trillion, thirteen billion, three hundred twenty million, one", and thus it is an aban number.