1111131139 has 2 divisors, whose sum is σ = 1111131140. Its totient is φ = 1111131138.

The previous prime is 1111131113. The next prime is 1111131157. The reversal of 1111131139 is 9311311111.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1111131139 is a prime.

It is a super-2 number, since 2×1111131139² = 2469224816110874642, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1111101139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555565569 + 555565570.

It is an arithmetic number, because the mean of its divisors is an integer number (555565570).

Almost surely, 2^1111131139 is an apocalyptic number.

1111131139 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111131139 is an equidigital number, since it uses as much as digits as its factorization.

1111131139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 81, while the sum is 22.

The square root of 1111131139 is about 33333.6337503129. The cubic root of 1111131139 is about 1035.7503917446.

The spelling of 1111131139 in words is "one billion, one hundred eleven million, one hundred thirty-one thousand, one hundred thirty-nine".