5365991726561 has 8 divisors (see below), whose sum is σ = 5371009015680. Its totient is φ = 5360976770512.

The previous prime is 5365991726509. The next prime is 5365991726581. The reversal of 5365991726561 is 1656271995635.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5365991726561 is a prime.

It is a super-2 number, since 2×5365991726561² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5365991726581) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 4035896 + ... + 5198118.

It is an arithmetic number, because the mean of its divisors is an integer number (671376126960).

Almost surely, 2^{5365991726561} is an apocalyptic number.

It is an amenable number.

5365991726561 is a deficient number, since it is larger than the sum of its proper divisors (5017289119).

5365991726561 is a wasteful number, since it uses less digits than its factorization.

5365991726561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1166535.

The product of its digits is 91854000, while the sum is 65.

The spelling of 5365991726561 in words is "five trillion, three hundred sixty-five billion, nine hundred ninety-one million, seven hundred twenty-six thousand, five hundred sixty-one".