19119060861 has 8 divisors (see below), whose sum is σ = 25924150560. Its totient is φ = 12530005872.

The previous prime is 19119060827. The next prime is 19119060871. The reversal of 19119060861 is 16806091191.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 19119060861 - 2¹⁰ = 19119059837 is a prime.

It is a super-2 number, since 2×19119060861² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19119060871) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54008470 + ... + 54008823.

It is an arithmetic number, because the mean of its divisors is an integer number (3240518820).

Almost surely, 2^19119060861 is an apocalyptic number.

It is an amenable number.

19119060861 is a deficient number, since it is larger than the sum of its proper divisors (6805089699).

19119060861 is a wasteful number, since it uses less digits than its factorization.

19119060861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108017355.

The product of its (nonzero) digits is 23328, while the sum is 42.

The spelling of 19119060861 in words is "nineteen billion, one hundred nineteen million, sixty thousand, eight hundred sixty-one".