11131019 has 2 divisors, whose sum is σ = 11131020. Its totient is φ = 11131018.

The previous prime is 11130991. The next prime is 11131027. The reversal of 11131019 is 91013111.

11131019 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11131019 is a prime.

It is a super-2 number, since 2×11131019² = 247799167956722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11130988 and 11131006.

It is not a weakly prime, because it can be changed into another prime (11131069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5565509 + 5565510.

It is an arithmetic number, because the mean of its divisors is an integer number (5565510).

Almost surely, 2^11131019 is an apocalyptic number.

11131019 is a deficient number, since it is larger than the sum of its proper divisors (1).

11131019 is an equidigital number, since it uses as much as digits as its factorization.

11131019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27, while the sum is 17.

The square root of 11131019 is about 3336.3181802700. The cubic root of 11131019 is about 223.2775071474.

The spelling of 11131019 in words is "eleven million, one hundred thirty-one thousand, nineteen".