1159057997 has 2 divisors, whose sum is σ = 1159057998. Its totient is φ = 1159057996.

The previous prime is 1159057981. The next prime is 1159058027. The reversal of 1159057997 is 7997509511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 762809161 + 396248836 = 27619^2 + 19906^2 .

It is an emirp because it is prime and its reverse (7997509511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1159057997 - 2⁴ = 1159057981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1159057927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 579528998 + 579528999.

It is an arithmetic number, because the mean of its divisors is an integer number (579528999).

Almost surely, 2^1159057997 is an apocalyptic number.

It is an amenable number.

1159057997 is a deficient number, since it is larger than the sum of its proper divisors (1).

1159057997 is an equidigital number, since it uses as much as digits as its factorization.

1159057997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 893025, while the sum is 53.

The square root of 1159057997 is about 34044.9408429505. The cubic root of 1159057997 is about 1050.4330781905.

The spelling of 1159057997 in words is "one billion, one hundred fifty-nine million, fifty-seven thousand, nine hundred ninety-seven".