11112334567891 has 8 divisors (see below), whose sum is σ = 11163277367424. Its totient is φ = 11061401694720.

The previous prime is 11112334567861. The next prime is 11112334567897. The reversal of 11112334567891 is 19876543321111.

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 11112334567891 - 2⁹ = 11112334567379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11112334567897) 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, 232846 + ... + 4720051.

It is an arithmetic number, because the mean of its divisors is an integer number (1395409670928).

Almost surely, 2^{11112334567891} is an apocalyptic number.

11112334567891 is a deficient number, since it is larger than the sum of its proper divisors (50942799533).

11112334567891 is a wasteful number, since it uses less digits than its factorization.

11112334567891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4963181.

The product of its digits is 1088640, while the sum is 52.

The spelling of 11112334567891 in words is "eleven trillion, one hundred twelve billion, three hundred thirty-four million, five hundred sixty-seven thousand, eight hundred ninety-one".