1131103159 has 2 divisors, whose sum is σ = 1131103160. Its totient is φ = 1131103158.

The previous prime is 1131103147. The next prime is 1131103199. The reversal of 1131103159 is 9513011311.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1131103159 - 2⁷ = 1131103031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1131103199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565551579 + 565551580.

It is an arithmetic number, because the mean of its divisors is an integer number (565551580).

Almost surely, 2^1131103159 is an apocalyptic number.

1131103159 is a deficient number, since it is larger than the sum of its proper divisors (1).

1131103159 is an equidigital number, since it uses as much as digits as its factorization.

1131103159 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 405, while the sum is 25.

The square root of 1131103159 is about 33631.8771257270. The cubic root of 1131103159 is about 1041.9192736264.

The spelling of 1131103159 in words is "one billion, one hundred thirty-one million, one hundred three thousand, one hundred fifty-nine".