11051614843021 has 2 divisors, whose sum is σ = 11051614843022. Its totient is φ = 11051614843020.

The previous prime is 11051614843013. The next prime is 11051614843043. The reversal of 11051614843021 is 12034841615011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7008800887396 + 4042813955625 = 2647414^2 + 2010675^2 .

It is an emirp because it is prime and its reverse (12034841615011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11051614843021 - 2³ = 11051614843013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11051614843091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5525807421510 + 5525807421511.

It is an arithmetic number, because the mean of its divisors is an integer number (5525807421511).

Almost surely, 2^{11051614843021} is an apocalyptic number.

It is an amenable number.

11051614843021 is a deficient number, since it is larger than the sum of its proper divisors (1).

11051614843021 is an equidigital number, since it uses as much as digits as its factorization.

11051614843021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23040, while the sum is 37.

The spelling of 11051614843021 in words is "eleven trillion, fifty-one billion, six hundred fourteen million, eight hundred forty-three thousand, twenty-one".