11334457889 has 8 divisors (see below), whose sum is σ = 12009614760. Its totient is φ = 10660237056.

The previous prime is 11334457877. The next prime is 11334457907. The reversal of 11334457889 is 98875443311.

It can be written as a sum of positive squares in 4 ways, for example, as 3095809600 + 8238648289 = 55640^2 + 90767^2 .

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

It is not a de Polignac number, because 11334457889 - 2⁸ = 11334457633 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 11334457889.

It is not an unprimeable number, because it can be changed into a prime (11334457829) 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, 208994 + ... + 257579.

It is an arithmetic number, because the mean of its divisors is an integer number (1501201845).

Almost surely, 2^11334457889 is an apocalyptic number.

It is an amenable number.

11334457889 is a deficient number, since it is larger than the sum of its proper divisors (675156871).

11334457889 is a wasteful number, since it uses less digits than its factorization.

11334457889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468019.

The product of its digits is 2903040, while the sum is 53.

The spelling of 11334457889 in words is "eleven billion, three hundred thirty-four million, four hundred fifty-seven thousand, eight hundred eighty-nine".