11345549519 has 2 divisors, whose sum is σ = 11345549520. Its totient is φ = 11345549518.

The previous prime is 11345549489. The next prime is 11345549543. The reversal of 11345549519 is 91594554311.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11345549519 - 2²⁸ = 11077114063 is a prime.

It is a super-2 number, since 2×11345549519² (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 (11345549119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5672774759 + 5672774760.

It is an arithmetic number, because the mean of its divisors is an integer number (5672774760).

Almost surely, 2^11345549519 is an apocalyptic number.

11345549519 is a deficient number, since it is larger than the sum of its proper divisors (1).

11345549519 is an equidigital number, since it uses as much as digits as its factorization.

11345549519 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 486000, while the sum is 47.

The spelling of 11345549519 in words is "eleven billion, three hundred forty-five million, five hundred forty-nine thousand, five hundred nineteen".