1150393081 has 2 divisors, whose sum is σ = 1150393082. Its totient is φ = 1150393080.

The previous prime is 1150393039. The next prime is 1150393087. The reversal of 1150393081 is 1803930511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 625250025 + 525143056 = 25005^2 + 22916^2 .

It is an emirp because it is prime and its reverse (1803930511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1150393081 - 2⁷ = 1150392953 is a prime.

It is a super-2 number, since 2×1150393081² = 2646808481625345122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1150393087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 575196540 + 575196541.

It is an arithmetic number, because the mean of its divisors is an integer number (575196541).

Almost surely, 2^1150393081 is an apocalyptic number.

It is an amenable number.

1150393081 is a deficient number, since it is larger than the sum of its proper divisors (1).

1150393081 is an equidigital number, since it uses as much as digits as its factorization.

1150393081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 31.

The square root of 1150393081 is about 33917.4450836144. The cubic root of 1150393081 is about 1047.8089096772.

The spelling of 1150393081 in words is "one billion, one hundred fifty million, three hundred ninety-three thousand, eighty-one".