51013320090011 has 2 divisors, whose sum is σ = 51013320090012. Its totient is φ = 51013320090010.

The previous prime is 51013320090001. The next prime is 51013320090037. The reversal of 51013320090011 is 11009002331015.

It is an a-pointer prime, because the next prime (51013320090037) can be obtained adding 51013320090011 to its sum of digits (26).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51013320090011 - 2¹⁸ = 51013319827867 is a prime.

It is a super-2 number, since 2×51013320090011² (a number of 28 digits) contains 22 as substring.

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, 25506660045005 + 25506660045006.

It is an arithmetic number, because the mean of its divisors is an integer number (25506660045006).

Almost surely, 2^{51013320090011} is an apocalyptic number.

51013320090011 is a deficient number, since it is larger than the sum of its proper divisors (1).

51013320090011 is an equidigital number, since it uses as much as digits as its factorization.

51013320090011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 810, while the sum is 26.

The spelling of 51013320090011 in words is "fifty-one trillion, thirteen billion, three hundred twenty million, ninety thousand, eleven".