11909286134 has 4 divisors (see below), whose sum is σ = 17863929204. Its totient is φ = 5954643066.

The previous prime is 11909286133. The next prime is 11909286143. The reversal of 11909286134 is 43168290911.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11909286133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2977321532 + ... + 2977321535.

It is an arithmetic number, because the mean of its divisors is an integer number (4465982301).

Almost surely, 2^11909286134 is an apocalyptic number.

11909286134 is a deficient number, since it is larger than the sum of its proper divisors (5954643070).

11909286134 is an equidigital number, since it uses as much as digits as its factorization.

11909286134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5954643069.

The product of its (nonzero) digits is 93312, while the sum is 44.

The spelling of 11909286134 in words is "eleven billion, nine hundred nine million, two hundred eighty-six thousand, one hundred thirty-four".