11151666360361 has 4 divisors (see below), whose sum is σ = 11151739968772. Its totient is φ = 11151592751952.

The previous prime is 11151666360353. The next prime is 11151666360467. The reversal of 11151666360361 is 16306366615111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 317595365136 + 10834070995225 = 563556^2 + 3291515^2 .

It is a cyclic number.

It is not a de Polignac number, because 11151666360361 - 2³ = 11151666360353 is a prime.

It is a super-2 number, since 2×11151666360361² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11151666360301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36576486 + ... + 36880111.

It is an arithmetic number, because the mean of its divisors is an integer number (2787934992193).

Almost surely, 2^{11151666360361} is an apocalyptic number.

It is an amenable number.

11151666360361 is a deficient number, since it is larger than the sum of its proper divisors (73608411).

11151666360361 is an equidigital number, since it uses as much as digits as its factorization.

11151666360361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73608410.

The product of its (nonzero) digits is 349920, while the sum is 46.

The spelling of 11151666360361 in words is "eleven trillion, one hundred fifty-one billion, six hundred sixty-six million, three hundred sixty thousand, three hundred sixty-one".