1156220059 has 2 divisors, whose sum is σ = 1156220060. Its totient is φ = 1156220058.

The previous prime is 1156220003. The next prime is 1156220071. The reversal of 1156220059 is 9500226511.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1156220059 - 2¹⁷ = 1156088987 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1156220059.

It is not a weakly prime, because it can be changed into another prime (1156220089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 578110029 + 578110030.

It is an arithmetic number, because the mean of its divisors is an integer number (578110030).

Almost surely, 2^1156220059 is an apocalyptic number.

1156220059 is a deficient number, since it is larger than the sum of its proper divisors (1).

1156220059 is an equidigital number, since it uses as much as digits as its factorization.

1156220059 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5400, while the sum is 31.

The square root of 1156220059 is about 34003.2360077684. The cubic root of 1156220059 is about 1049.5750537421.

The spelling of 1156220059 in words is "one billion, one hundred fifty-six million, two hundred twenty thousand, fifty-nine".