11130030091 has 2 divisors, whose sum is σ = 11130030092. Its totient is φ = 11130030090.

The previous prime is 11130030071. The next prime is 11130030133. The reversal of 11130030091 is 19003003111.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11130030091 - 2¹³ = 11130021899 is a prime.

It is not a weakly prime, because it can be changed into another prime (11130030071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5565015045 + 5565015046.

It is an arithmetic number, because the mean of its divisors is an integer number (5565015046).

Almost surely, 2^11130030091 is an apocalyptic number.

11130030091 is a deficient number, since it is larger than the sum of its proper divisors (1).

11130030091 is an equidigital number, since it uses as much as digits as its factorization.

11130030091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81, while the sum is 19.

The spelling of 11130030091 in words is "eleven billion, one hundred thirty million, thirty thousand, ninety-one".