19061936124109 has 16 divisors (see below), whose sum is σ = 20551449371904. Its totient is φ = 17637174755200.

The previous prime is 19061936124103. The next prime is 19061936124157. The reversal of 19061936124109 is 90142163916091.

It is a cyclic number.

It is not a de Polignac number, because 19061936124109 - 2³¹ = 19059788640461 is a prime.

It is a super-2 number, since 2×19061936124109² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19061936124103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110035672 + ... + 110208769.

It is an arithmetic number, because the mean of its divisors is an integer number (1284465585744).

Almost surely, 2^{19061936124109} is an apocalyptic number.

It is an amenable number.

19061936124109 is a deficient number, since it is larger than the sum of its proper divisors (1489513247795).

19061936124109 is a wasteful number, since it uses less digits than its factorization.

19061936124109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220244588.

The product of its (nonzero) digits is 629856, while the sum is 52.

The spelling of 19061936124109 in words is "nineteen trillion, sixty-one billion, nine hundred thirty-six million, one hundred twenty-four thousand, one hundred nine".