19137221411 has 36 divisors (see below), whose sum is σ = 24601079160. Its totient is φ = 14720771520.

The previous prime is 19137221393. The next prime is 19137221417. The reversal of 19137221411 is 11412273191.

It is not a de Polignac number, because 19137221411 - 2¹⁰ = 19137220387 is a prime.

It is a super-3 number, since 3×19137221411³ (a number of 32 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (19137221417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3361055 + ... + 3366743.

It is an arithmetic number, because the mean of its divisors is an integer number (683363310).

Almost surely, 2^19137221411 is an apocalyptic number.

19137221411 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

19137221411 is a deficient number, since it is larger than the sum of its proper divisors (5463857749).

19137221411 is an equidigital number, since it uses as much as digits as its factorization.

19137221411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5872 (or 5786 counting only the distinct ones).

The product of its digits is 3024, while the sum is 32.

The spelling of 19137221411 in words is "nineteen billion, one hundred thirty-seven million, two hundred twenty-one thousand, four hundred eleven".