1159348918 has 64 divisors (see below), whose sum is σ = 2215987200. Its totient is φ = 451936800.

The previous prime is 1159348913. The next prime is 1159348919. The reversal of 1159348918 is 8198439511.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1159348913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 632263 + ... + 634093.

It is an arithmetic number, because the mean of its divisors is an integer number (34624800).

Almost surely, 2^1159348918 is an apocalyptic number.

1159348918 is a deficient number, since it is larger than the sum of its proper divisors (1056638282).

1159348918 is a wasteful number, since it uses less digits than its factorization.

1159348918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1938 (or 1924 counting only the distinct ones).

The product of its digits is 311040, while the sum is 49.

The square root of 1159348918 is about 34049.2131773996. The cubic root of 1159348918 is about 1050.5209563002.

The spelling of 1159348918 in words is "one billion, one hundred fifty-nine million, three hundred forty-eight thousand, nine hundred eighteen".