1113760181 has 2 divisors, whose sum is σ = 1113760182. Its totient is φ = 1113760180.

The previous prime is 1113760171. The next prime is 1113760201. The reversal of 1113760181 is 1810673111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1091245156 + 22515025 = 33034^2 + 4745^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1113760181 is a prime.

It is a super-2 number, since 2×1113760181² = 2480923481562305522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1113760171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556880090 + 556880091.

It is an arithmetic number, because the mean of its divisors is an integer number (556880091).

Almost surely, 2^1113760181 is an apocalyptic number.

It is an amenable number.

1113760181 is a deficient number, since it is larger than the sum of its proper divisors (1).

1113760181 is an equidigital number, since it uses as much as digits as its factorization.

1113760181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 29.

The square root of 1113760181 is about 33373.0457255552. The cubic root of 1113760181 is about 1036.5666429665.

The spelling of 1113760181 in words is "one billion, one hundred thirteen million, seven hundred sixty thousand, one hundred eighty-one".