1118133446887 has 4 divisors (see below), whose sum is σ = 1129204075176. Its totient is φ = 1107062818600.

The previous prime is 1118133446861. The next prime is 1118133446923. The reversal of 1118133446887 is 7886443318111.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1118133446887 - 2²⁷ = 1117999229159 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 (1118133446987) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5535313993 + ... + 5535314194.

It is an arithmetic number, because the mean of its divisors is an integer number (282301018794).

Almost surely, 2^{1118133446887} is an apocalyptic number.

1118133446887 is a deficient number, since it is larger than the sum of its proper divisors (11070628289).

1118133446887 is a wasteful number, since it uses less digits than its factorization.

1118133446887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11070628288.

The product of its digits is 3096576, while the sum is 55.

The spelling of 1118133446887 in words is "one trillion, one hundred eighteen billion, one hundred thirty-three million, four hundred forty-six thousand, eight hundred eighty-seven".