11532202217681 has 8 divisors (see below), whose sum is σ = 12019783586304. Its totient is φ = 11051844276960.

The previous prime is 11532202217671. The next prime is 11532202217693. The reversal of 11532202217681 is 18671220223511.

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-11532202217681 is a prime.

It is a super-2 number, since 2×11532202217681² (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 (11532202217671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1805853716 + ... + 1805860101.

It is an arithmetic number, because the mean of its divisors is an integer number (1502472948288).

Almost surely, 2^{11532202217681} is an apocalyptic number.

It is an amenable number.

11532202217681 is a deficient number, since it is larger than the sum of its proper divisors (487581368623).

11532202217681 is a wasteful number, since it uses less digits than its factorization.

11532202217681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3611713951.

The product of its (nonzero) digits is 80640, while the sum is 41.

The spelling of 11532202217681 in words is "eleven trillion, five hundred thirty-two billion, two hundred two million, two hundred seventeen thousand, six hundred eighty-one".