11367661645 has 4 divisors (see below), whose sum is σ = 13641193980. Its totient is φ = 9094129312.

The previous prime is 11367661637. The next prime is 11367661651. The reversal of 11367661645 is 54616676311.

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 5810555529 + 5557106116 = 76227^2 + 74546^2 .

It is a cyclic number.

It is not a de Polignac number, because 11367661645 - 2³ = 11367661637 is a prime.

It is a super-3 number, since 3×11367661645³ (a number of 31 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11367661595 and 11367661604.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1136766160 + ... + 1136766169.

It is an arithmetic number, because the mean of its divisors is an integer number (3410298495).

Almost surely, 2^11367661645 is an apocalyptic number.

It is an amenable number.

11367661645 is a deficient number, since it is larger than the sum of its proper divisors (2273532335).

11367661645 is an equidigital number, since it uses as much as digits as its factorization.

11367661645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2273532334.

The product of its digits is 544320, while the sum is 46.

The spelling of 11367661645 in words is "eleven billion, three hundred sixty-seven million, six hundred sixty-one thousand, six hundred forty-five".