1118859534 has 64 divisors (see below), whose sum is σ = 2734663680. Its totient is φ = 336929760.

The previous prime is 1118859529. The next prime is 1118859559. The reversal of 1118859534 is 4359588111.

1118859534 is a `hidden beast` number, since 11 + 18 + 8 + 595 + 34 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 1118859534.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16039 + ... + 49949.

It is an arithmetic number, because the mean of its divisors is an integer number (42729120).

Almost surely, 2^1118859534 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1118859534, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1367331840).

1118859534 is an abundant number, since it is smaller than the sum of its proper divisors (1615804146).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1118859534 is a wasteful number, since it uses less digits than its factorization.

1118859534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33982 (or 33976 counting only the distinct ones).

The product of its digits is 172800, while the sum is 45.

The square root of 1118859534 is about 33449.3577516819. The cubic root of 1118859534 is about 1038.1462088142.

The spelling of 1118859534 in words is "one billion, one hundred eighteen million, eight hundred fifty-nine thousand, five hundred thirty-four".