1159418957 has 2 divisors, whose sum is σ = 1159418958. Its totient is φ = 1159418956.

The previous prime is 1159418917. The next prime is 1159418959. The reversal of 1159418957 is 7598149511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 812193001 + 347225956 = 28499^2 + 18634^2 .

It is a cyclic number.

It is not a de Polignac number, because 1159418957 - 2¹⁰ = 1159417933 is a prime.

Together with 1159418959, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1159418959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 579709478 + 579709479.

It is an arithmetic number, because the mean of its divisors is an integer number (579709479).

Almost surely, 2^1159418957 is an apocalyptic number.

It is an amenable number.

1159418957 is a deficient number, since it is larger than the sum of its proper divisors (1).

1159418957 is an equidigital number, since it uses as much as digits as its factorization.

1159418957 is an evil number, because the sum of its binary digits is even.

The product of its digits is 453600, while the sum is 50.

The square root of 1159418957 is about 34050.2416584670. The cubic root of 1159418957 is about 1050.5421106897.

The spelling of 1159418957 in words is "one billion, one hundred fifty-nine million, four hundred eighteen thousand, nine hundred fifty-seven".