11150505019 has 2 divisors, whose sum is σ = 11150505020. Its totient is φ = 11150505018.

The previous prime is 11150505013. The next prime is 11150505031. The reversal of 11150505019 is 91050505111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11150505019 - 2¹³ = 11150496827 is a prime.

It is a super-2 number, since 2×11150505019² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11150505013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5575252509 + 5575252510.

It is an arithmetic number, because the mean of its divisors is an integer number (5575252510).

Almost surely, 2^11150505019 is an apocalyptic number.

11150505019 is a deficient number, since it is larger than the sum of its proper divisors (1).

11150505019 is an equidigital number, since it uses as much as digits as its factorization.

11150505019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1125, while the sum is 28.

The spelling of 11150505019 in words is "eleven billion, one hundred fifty million, five hundred five thousand, nineteen".