1081375159 has 2 divisors, whose sum is σ = 1081375160. Its totient is φ = 1081375158.

The previous prime is 1081375067. The next prime is 1081375189. The reversal of 1081375159 is 9515731801.

It is a strong prime.

It is an emirp because it is prime and its reverse (9515731801) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1081375159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1081375189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 540687579 + 540687580.

It is an arithmetic number, because the mean of its divisors is an integer number (540687580).

Almost surely, 2^1081375159 is an apocalyptic number.

1081375159 is a deficient number, since it is larger than the sum of its proper divisors (1).

1081375159 is an equidigital number, since it uses as much as digits as its factorization.

1081375159 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 37800, while the sum is 40.

The square root of 1081375159 is about 32884.2691723566. The cubic root of 1081375159 is about 1026.4208442045.

The spelling of 1081375159 in words is "one billion, eighty-one million, three hundred seventy-five thousand, one hundred fifty-nine".