11194356333887 has 8 divisors (see below), whose sum is σ = 11208848681712. Its totient is φ = 11179869624000.

The previous prime is 11194356333857. The next prime is 11194356333889. The reversal of 11194356333887 is 78833365349111.

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

It is a cyclic number.

It is not a de Polignac number, because 11194356333887 - 2²⁸ = 11194087898431 is a prime.

It is a super-2 number, since 2×11194356333887² (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 (11194356333889) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2571437 + ... + 5385257.

It is an arithmetic number, because the mean of its divisors is an integer number (1401106085214).

Almost surely, 2^{11194356333887} is an apocalyptic number.

11194356333887 is a deficient number, since it is larger than the sum of its proper divisors (14492347825).

11194356333887 is an equidigital number, since it uses as much as digits as its factorization.

11194356333887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2818969.

The product of its digits is 39191040, while the sum is 62.

The spelling of 11194356333887 in words is "eleven trillion, one hundred ninety-four billion, three hundred fifty-six million, three hundred thirty-three thousand, eight hundred eighty-seven".