11451162222222 has 64 divisors (see below), whose sum is σ = 24254711470080. Its totient is φ = 3594110995296.

The previous prime is 11451162222173. The next prime is 11451162222239. The reversal of 11451162222222 is 22222226115411.

It is a happy number.

It is a super-2 number, since 2×11451162222222² (a number of 27 digits) contains 22 as substring.

11451162222222 is a modest number, since divided by 2222222 gives 1145116 as remainder.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 209904753 + ... + 209959299.

It is an arithmetic number, because the mean of its divisors is an integer number (378979866720).

Almost surely, 2^{11451162222222} is an apocalyptic number.

11451162222222 is an abundant number, since it is smaller than the sum of its proper divisors (12803549247858).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11451162222222 is a wasteful number, since it uses less digits than its factorization.

11451162222222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65765.

The product of its digits is 15360, while the sum is 33.

Adding to 11451162222222 its reverse (22222226115411), we get a palindrome (33673388337633).

The spelling of 11451162222222 in words is "eleven trillion, four hundred fifty-one billion, one hundred sixty-two million, two hundred twenty-two thousand, two hundred twenty-two".