19135663752065 has 16 divisors (see below), whose sum is σ = 26380594944000. Its totient is φ = 13052898530880.

The previous prime is 19135663752053. The next prime is 19135663752071. The reversal of 19135663752065 is 56025736653191.

It is not a de Polignac number, because 19135663752065 - 2²⁴ = 19135646974849 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 19135663751995 and 19135663752013.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1431232190 + ... + 1431245559.

It is an arithmetic number, because the mean of its divisors is an integer number (1648787184000).

Almost surely, 2^{19135663752065} is an apocalyptic number.

It is an amenable number.

19135663752065 is a deficient number, since it is larger than the sum of its proper divisors (7244931191935).

19135663752065 is a wasteful number, since it uses less digits than its factorization.

19135663752065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2862477952.

The product of its (nonzero) digits is 30618000, while the sum is 59.

The spelling of 19135663752065 in words is "nineteen trillion, one hundred thirty-five billion, six hundred sixty-three million, seven hundred fifty-two thousand, sixty-five".