1150405169 has 2 divisors, whose sum is σ = 1150405170. Its totient is φ = 1150405168.

The previous prime is 1150405129. The next prime is 1150405177. The reversal of 1150405169 is 9615040511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1150091569 + 313600 = 33913^2 + 560^2 .

It is an emirp because it is prime and its reverse (9615040511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1150405169 - 2²⁴ = 1133627953 is a prime.

It is a super-2 number, since 2×1150405169² = 2646864105723837122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1150405129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 575202584 + 575202585.

It is an arithmetic number, because the mean of its divisors is an integer number (575202585).

Almost surely, 2^1150405169 is an apocalyptic number.

It is an amenable number.

1150405169 is a deficient number, since it is larger than the sum of its proper divisors (1).

1150405169 is an equidigital number, since it uses as much as digits as its factorization.

1150405169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5400, while the sum is 32.

The square root of 1150405169 is about 33917.6232805307. The cubic root of 1150405169 is about 1047.8125796893.

The spelling of 1150405169 in words is "one billion, one hundred fifty million, four hundred five thousand, one hundred sixty-nine".