1133445678889 has 16 divisors (see below), whose sum is σ = 1225606187200. Its totient is φ = 1044548011584.

The previous prime is 1133445678863. The next prime is 1133445678899. The reversal of 1133445678889 is 9888765443311.

It is not a de Polignac number, because 1133445678889 - 2¹⁵ = 1133445646121 is a prime.

It is a super-2 number, since 2×1133445678889² (a number of 25 digits) contains 22 as substring.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (1133445678809) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3198334 + ... + 3535000.

It is an arithmetic number, because the mean of its divisors is an integer number (76600386700).

Almost surely, 2^{1133445678889} is an apocalyptic number.

1133445678889 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1133445678889 is the 673334-th heptagonal number.

It is an amenable number.

1133445678889 is a deficient number, since it is larger than the sum of its proper divisors (92160508311).

1133445678889 is a wasteful number, since it uses less digits than its factorization.

1133445678889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341512.

The product of its digits is 139345920, while the sum is 67.

The spelling of 1133445678889 in words is "one trillion, one hundred thirty-three billion, four hundred forty-five million, six hundred seventy-eight thousand, eight hundred eighty-nine".