11287349819 has 2 divisors, whose sum is σ = 11287349820. Its totient is φ = 11287349818.

The previous prime is 11287349737. The next prime is 11287349837. The reversal of 11287349819 is 91894378211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11287349819 - 2¹² = 11287345723 is a prime.

It is a super-2 number, since 2×11287349819² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11287349119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5643674909 + 5643674910.

It is an arithmetic number, because the mean of its divisors is an integer number (5643674910).

Almost surely, 2^11287349819 is an apocalyptic number.

11287349819 is a deficient number, since it is larger than the sum of its proper divisors (1).

11287349819 is an equidigital number, since it uses as much as digits as its factorization.

11287349819 is an evil number, because the sum of its binary digits is even.

The product of its digits is 870912, while the sum is 53.

The spelling of 11287349819 in words is "eleven billion, two hundred eighty-seven million, three hundred forty-nine thousand, eight hundred nineteen".