1019118011 has 2 divisors, whose sum is σ = 1019118012. Its totient is φ = 1019118010.

The previous prime is 1019118007. The next prime is 1019118031. The reversal of 1019118011 is 1108119101.

It is a weak prime.

It is an emirp because it is prime and its reverse (1108119101) is a distict prime. It is also a bemirp because it and its reverse can be mirrored producing other two distinct primes, 1108116101 and 1016118011.

It is a cyclic number.

It is not a de Polignac number, because 1019118011 - 2² = 1019118007 is a prime.

It is a super-2 number, since 2×1019118011² = 2077203040689192242, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1019118031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 509559005 + 509559006.

It is an arithmetic number, because the mean of its divisors is an integer number (509559006).

Almost surely, 2^1019118011 is an apocalyptic number.

1019118011 is a deficient number, since it is larger than the sum of its proper divisors (1).

1019118011 is an equidigital number, since it uses as much as digits as its factorization.

1019118011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 23.

The square root of 1019118011 is about 31923.6277857013. The cubic root of 1019118011 is about 1006.3324853180.

The spelling of 1019118011 in words is "one billion, nineteen million, one hundred eighteen thousand, eleven".