11645365645441 has 16 divisors (see below), whose sum is σ = 13461229440000. Its totient is φ = 9963080946000.

The previous prime is 11645365645427. The next prime is 11645365645481. The reversal of 11645365645441 is 14454656354611.

It is a cyclic number.

It is not a de Polignac number, because 11645365645441 - 2¹⁷ = 11645365514369 is a prime.

It is a super-2 number, since 2×11645365645441² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11645365645481) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 184469941 + ... + 184533058.

It is an arithmetic number, because the mean of its divisors is an integer number (841326840000).

Almost surely, 2^{11645365645441} is an apocalyptic number.

11645365645441 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11645365645441 is a deficient number, since it is larger than the sum of its proper divisors (1815863794559).

11645365645441 is a wasteful number, since it uses less digits than its factorization.

11645365645441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369003180.

The product of its digits is 20736000, while the sum is 55.

The spelling of 11645365645441 in words is "eleven trillion, six hundred forty-five billion, three hundred sixty-five million, six hundred forty-five thousand, four hundred forty-one".