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1791435018011 is a prime number
BaseRepresentation
bin11010000100011001110…
…110010000111100011011
320100021000012000222222112
4122010121312100330123
5213322324331034021
63450550205342535
7243266300260052
oct32043166207433
96307005028875
101791435018011
1163081a401981
1224b237b67a4b
13ccc15947522
14629c5075399
15318ecb5ad5b
hex1a119d90f1b

1791435018011 has 2 divisors, whose sum is σ = 1791435018012. Its totient is φ = 1791435018010.

The previous prime is 1791435017987. The next prime is 1791435018053. The reversal of 1791435018011 is 1108105341971.

It is a weak prime.

It is an emirp because it is prime and its reverse (1108105341971) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1791435018011 - 214 = 1791435001627 is a prime.

It is a super-2 number, since 2×17914350180112 (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1791435018011.

It is not a weakly prime, because it can be changed into another prime (1791435018091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 895717509005 + 895717509006.

It is an arithmetic number, because the mean of its divisors is an integer number (895717509006).

Almost surely, 21791435018011 is an apocalyptic number.

1791435018011 is a deficient number, since it is larger than the sum of its proper divisors (1).

1791435018011 is an equidigital number, since it uses as much as digits as its factorization.

1791435018011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 41.

The spelling of 1791435018011 in words is "one trillion, seven hundred ninety-one billion, four hundred thirty-five million, eighteen thousand, eleven".