2158533323317 has 8 divisors (see below), whose sum is σ = 2467181378816. Its totient is φ = 1849956805872.

The previous prime is 2158533323281. The next prime is 2158533323329. The reversal of 2158533323317 is 7133233358512.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2158533323317 - 2¹⁵ = 2158533290549 is a prime.

It is a super-2 number, since 2×2158533323317² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2158533323347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17819838 + ... + 17940559.

It is an arithmetic number, because the mean of its divisors is an integer number (308397672352).

Almost surely, 2^{2158533323317} is an apocalyptic number.

It is an amenable number.

2158533323317 is a deficient number, since it is larger than the sum of its proper divisors (308648055499).

2158533323317 is an equidigital number, since it uses as much as digits as its factorization.

2158533323317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35769027.

The product of its digits is 1360800, while the sum is 46.

The spelling of 2158533323317 in words is "two trillion, one hundred fifty-eight billion, five hundred thirty-three million, three hundred twenty-three thousand, three hundred seventeen".