11134104991 has 2 divisors, whose sum is σ = 11134104992. Its totient is φ = 11134104990.

The previous prime is 11134104979. The next prime is 11134105019. The reversal of 11134104991 is 19940143111.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11134104991 - 2²¹ = 11132007839 is a prime.

It is a super-2 number, since 2×11134104991² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11134104911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5567052495 + 5567052496.

It is an arithmetic number, because the mean of its divisors is an integer number (5567052496).

Almost surely, 2^11134104991 is an apocalyptic number.

11134104991 is a deficient number, since it is larger than the sum of its proper divisors (1).

11134104991 is an equidigital number, since it uses as much as digits as its factorization.

11134104991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 34.

The spelling of 11134104991 in words is "eleven billion, one hundred thirty-four million, one hundred four thousand, nine hundred ninety-one".