11361641441265 has 24 divisors (see below), whose sum is σ = 19835191783680. Its totient is φ = 6015948270624.

The previous prime is 11361641441207. The next prime is 11361641441273. The reversal of 11361641441265 is 56214414616311.

11361641441265 is a `hidden beast` number, since 1 + 1 + 3 + 6 + 164 + 14 + 412 + 65 = 666.

It is not a de Polignac number, because 11361641441265 - 2¹² = 11361641437169 is a prime.

It is a super-5 number, since 5×11361641441265⁵ (a number of 66 digits) contains 55555 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 11361641441265.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 908198497 + ... + 908211006.

It is an arithmetic number, because the mean of its divisors is an integer number (826466324320).

Almost surely, 2^{11361641441265} is an apocalyptic number.

11361641441265 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11361641441265 is a deficient number, since it is larger than the sum of its proper divisors (8473550342415).

11361641441265 is a wasteful number, since it uses less digits than its factorization.

11361641441265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1816409653 (or 1816409650 counting only the distinct ones).

The product of its digits is 414720, while the sum is 45.

The spelling of 11361641441265 in words is "eleven trillion, three hundred sixty-one billion, six hundred forty-one million, four hundred forty-one thousand, two hundred sixty-five".