19008000011 has 64 divisors (see below), whose sum is σ = 25964123136. Its totient is φ = 13436928000.

The previous prime is 19007999993. The next prime is 19008000013. The reversal of 19008000011 is 11000080091.

It is a cyclic number.

It is not a de Polignac number, because 19008000011 - 2²² = 19003805707 is a prime.

It is a super-2 number, since 2×19008000011² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (19008000013) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 15826211 + ... + 15827411.

It is an arithmetic number, because the mean of its divisors is an integer number (405689424).

Almost surely, 2^19008000011 is an apocalyptic number.

19008000011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

19008000011 is a deficient number, since it is larger than the sum of its proper divisors (6956123125).

19008000011 is a wasteful number, since it uses less digits than its factorization.

19008000011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1492.

The product of its (nonzero) digits is 72, while the sum is 20.

The spelling of 19008000011 in words is "nineteen billion, eight million, eleven", and thus it is an aban number and an uban number.