1813322471135 has 16 divisors (see below), whose sum is σ = 2486888972352. Its totient is φ = 1243397760000.

The previous prime is 1813322471119. The next prime is 1813322471141. The reversal of 1813322471135 is 5311742233181.

It is a happy number.

It is not a de Polignac number, because 1813322471135 - 2⁴ = 1813322471119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1813322471092 and 1813322471101.

It is a congruent number.

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, 1519055 + ... + 2436015.

It is an arithmetic number, because the mean of its divisors is an integer number (155430560772).

Almost surely, 2^{1813322471135} is an apocalyptic number.

1813322471135 is a deficient number, since it is larger than the sum of its proper divisors (673566501217).

1813322471135 is an equidigital number, since it uses as much as digits as its factorization.

1813322471135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 973474.

The product of its digits is 120960, while the sum is 41.

The spelling of 1813322471135 in words is "one trillion, eight hundred thirteen billion, three hundred twenty-two million, four hundred seventy-one thousand, one hundred thirty-five".