19091911000102 has 16 divisors (see below), whose sum is σ = 30193822382400. Its totient is φ = 9028926864360.

The previous prime is 19091911000093. The next prime is 19091911000187. The reversal of 19091911000102 is 20100011919091.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 405807424 + ... + 405854467.

It is an arithmetic number, because the mean of its divisors is an integer number (1887113898900).

Almost surely, 2^{19091911000102} is an apocalyptic number.

19091911000102 is a deficient number, since it is larger than the sum of its proper divisors (11101911382298).

19091911000102 is a wasteful number, since it uses less digits than its factorization.

19091911000102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 811662531.

The product of its (nonzero) digits is 1458, while the sum is 34.

Adding to 19091911000102 its reverse (20100011919091), we get a palindrome (39191922919193).

The spelling of 19091911000102 in words is "nineteen trillion, ninety-one billion, nine hundred eleven million, one hundred two", and thus it is an aban number.