1118075851 has 2 divisors, whose sum is σ = 1118075852. Its totient is φ = 1118075850.

The previous prime is 1118075821. The next prime is 1118075921. The reversal of 1118075851 is 1585708111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1118075851 - 2¹⁵ = 1118043083 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1118075851.

It is not a weakly prime, because it can be changed into another prime (1118075821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 559037925 + 559037926.

It is an arithmetic number, because the mean of its divisors is an integer number (559037926).

Almost surely, 2^1118075851 is an apocalyptic number.

1118075851 is a deficient number, since it is larger than the sum of its proper divisors (1).

1118075851 is an equidigital number, since it uses as much as digits as its factorization.

1118075851 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11200, while the sum is 37.

The square root of 1118075851 is about 33437.6412296083. The cubic root of 1118075851 is about 1037.9037692181.

The spelling of 1118075851 in words is "one billion, one hundred eighteen million, seventy-five thousand, eight hundred fifty-one".