1101185117 has 2 divisors, whose sum is σ = 1101185118. Its totient is φ = 1101185116.

The previous prime is 1101185023. The next prime is 1101185161. The reversal of 1101185117 is 7115811011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 592727716 + 508457401 = 24346^2 + 22549^2 .

It is a cyclic number.

It is not a de Polignac number, because 1101185117 - 2¹⁰ = 1101184093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1101185177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550592558 + 550592559.

It is an arithmetic number, because the mean of its divisors is an integer number (550592559).

Almost surely, 2^1101185117 is an apocalyptic number.

It is an amenable number.

1101185117 is a deficient number, since it is larger than the sum of its proper divisors (1).

1101185117 is an equidigital number, since it uses as much as digits as its factorization.

1101185117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 280, while the sum is 26.

The square root of 1101185117 is about 33184.1094049547. The cubic root of 1101185117 is about 1032.6507014051.

Adding to 1101185117 its reverse (7115811011), we get a palindrome (8216996128).

The spelling of 1101185117 in words is "one billion, one hundred one million, one hundred eighty-five thousand, one hundred seventeen".