11161210120051 has 2 divisors, whose sum is σ = 11161210120052. Its totient is φ = 11161210120050.

The previous prime is 11161210120033. The next prime is 11161210120063. The reversal of 11161210120051 is 15002101216111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11161210120051 - 2⁹ = 11161210119539 is a prime.

It is a super-2 number, since 2×11161210120051² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11161210120351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5580605060025 + 5580605060026.

It is an arithmetic number, because the mean of its divisors is an integer number (5580605060026).

Almost surely, 2^{11161210120051} is an apocalyptic number.

11161210120051 is a deficient number, since it is larger than the sum of its proper divisors (1).

11161210120051 is an equidigital number, since it uses as much as digits as its factorization.

11161210120051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120, while the sum is 22.

Adding to 11161210120051 its reverse (15002101216111), we get a palindrome (26163311336162).

The spelling of 11161210120051 in words is "eleven trillion, one hundred sixty-one billion, two hundred ten million, one hundred twenty thousand, fifty-one".