1156341959 has 2 divisors, whose sum is σ = 1156341960. Its totient is φ = 1156341958.

The previous prime is 1156341941. The next prime is 1156342013. The reversal of 1156341959 is 9591436511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1156341959 - 2¹² = 1156337863 is a prime.

It is a super-2 number, since 2×1156341959² = 2674253452287915362, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1156341259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 578170979 + 578170980.

It is an arithmetic number, because the mean of its divisors is an integer number (578170980).

Almost surely, 2^1156341959 is an apocalyptic number.

1156341959 is a deficient number, since it is larger than the sum of its proper divisors (1).

1156341959 is an equidigital number, since it uses as much as digits as its factorization.

1156341959 is an evil number, because the sum of its binary digits is even.

The product of its digits is 145800, while the sum is 44.

The square root of 1156341959 is about 34005.0284369827. The cubic root of 1156341959 is about 1049.6119379269.

The spelling of 1156341959 in words is "one billion, one hundred fifty-six million, three hundred forty-one thousand, nine hundred fifty-nine".