1118061959 has 12 divisors (see below), whose sum is σ = 1302699888. Its totient is φ = 956793600.

The previous prime is 1118061949. The next prime is 1118062007. The reversal of 1118061959 is 9591608111.

It is a happy number.

It is not a de Polignac number, because 1118061959 - 2²⁰ = 1117013383 is a prime.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1118061949) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12839 + ... + 48999.

It is an arithmetic number, because the mean of its divisors is an integer number (108558324).

Almost surely, 2^1118061959 is an apocalyptic number.

1118061959 is a deficient number, since it is larger than the sum of its proper divisors (184637929).

1118061959 is an equidigital number, since it uses as much as digits as its factorization.

1118061959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36806 (or 36799 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 41.

The square root of 1118061959 is about 33437.4334989993. The cubic root of 1118061959 is about 1037.8994705774.

The spelling of 1118061959 in words is "one billion, one hundred eighteen million, sixty-one thousand, nine hundred fifty-nine".