1155040093 has 2 divisors, whose sum is σ = 1155040094. Its totient is φ = 1155040092.

The previous prime is 1155040049. The next prime is 1155040123. The reversal of 1155040093 is 3900405511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1130169924 + 24870169 = 33618^2 + 4987^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1155040093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1155040193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 577520046 + 577520047.

It is an arithmetic number, because the mean of its divisors is an integer number (577520047).

Almost surely, 2^1155040093 is an apocalyptic number.

It is an amenable number.

1155040093 is a deficient number, since it is larger than the sum of its proper divisors (1).

1155040093 is an equidigital number, since it uses as much as digits as its factorization.

1155040093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2700, while the sum is 28.

The square root of 1155040093 is about 33985.8807889394. The cubic root of 1155040093 is about 1049.2178886256.

The spelling of 1155040093 in words is "one billion, one hundred fifty-five million, forty thousand, ninety-three".