11159681008391 has 16 divisors (see below), whose sum is σ = 11902261367808. Its totient is φ = 10426762608000.

The previous prime is 11159681008367. The next prime is 11159681008393. The reversal of 11159681008391 is 19380018695111.

It is a happy number.

It is not a de Polignac number, because 11159681008391 - 2⁶ = 11159681008327 is a prime.

It is a super-2 number, since 2×11159681008391² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11159681008393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2440166 + ... + 5317308.

It is an arithmetic number, because the mean of its divisors is an integer number (743891335488).

Almost surely, 2^{11159681008391} is an apocalyptic number.

11159681008391 is a deficient number, since it is larger than the sum of its proper divisors (742580359417).

11159681008391 is a wasteful number, since it uses less digits than its factorization.

11159681008391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2878822.

The product of its (nonzero) digits is 466560, while the sum is 53.

The spelling of 11159681008391 in words is "eleven trillion, one hundred fifty-nine billion, six hundred eighty-one million, eight thousand, three hundred ninety-one".