11194887101 has 4 divisors (see below), whose sum is σ = 11196091104. Its totient is φ = 11193683100.

The previous prime is 11194887047. The next prime is 11194887113. The reversal of 11194887101 is 10178849111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11194887101 - 2¹⁴ = 11194870717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11194887601) 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 3 ways as a sum of consecutive naturals, for example, 587945 + ... + 606686.

It is an arithmetic number, because the mean of its divisors is an integer number (2799022776).

Almost surely, 2^11194887101 is an apocalyptic number.

It is an amenable number.

11194887101 is a deficient number, since it is larger than the sum of its proper divisors (1204003).

11194887101 is an equidigital number, since it uses as much as digits as its factorization.

11194887101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1204002.

The product of its (nonzero) digits is 16128, while the sum is 41.

The spelling of 11194887101 in words is "eleven billion, one hundred ninety-four million, eight hundred eighty-seven thousand, one hundred one".