1118057043 has 8 divisors (see below), whose sum is σ = 1493000656. Its totient is φ = 744242400.

The previous prime is 1118057041. The next prime is 1118057051. The reversal of 1118057043 is 3407508111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1118057043 - 2¹ = 1118057041 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1118057043.

It is not an unprimeable number, because it can be changed into a prime (1118057041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 279928 + ... + 283893.

It is an arithmetic number, because the mean of its divisors is an integer number (186625082).

Almost surely, 2^1118057043 is an apocalyptic number.

1118057043 is a deficient number, since it is larger than the sum of its proper divisors (374943613).

1118057043 is an equidigital number, since it uses as much as digits as its factorization.

1118057043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564485.

The product of its (nonzero) digits is 3360, while the sum is 30.

The square root of 1118057043 is about 33437.3599884919. The cubic root of 1118057043 is about 1037.8979493972.

The spelling of 1118057043 in words is "one billion, one hundred eighteen million, fifty-seven thousand, forty-three".