19297115135 has 16 divisors (see below), whose sum is σ = 24078028032. Its totient is φ = 14830636800.

The previous prime is 19297115119. The next prime is 19297115137. The reversal of 19297115135 is 53151179291.

It is not a de Polignac number, because 19297115135 - 2⁴ = 19297115119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19297115137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 433136 + ... + 475605.

It is an arithmetic number, because the mean of its divisors is an integer number (1504876752).

Almost surely, 2^19297115135 is an apocalyptic number.

19297115135 is a deficient number, since it is larger than the sum of its proper divisors (4780912897).

19297115135 is a wasteful number, since it uses less digits than its factorization.

19297115135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 908914.

The product of its digits is 85050, while the sum is 44.

The spelling of 19297115135 in words is "nineteen billion, two hundred ninety-seven million, one hundred fifteen thousand, one hundred thirty-five".