817150835051 has 4 divisors (see below), whose sum is σ = 817154239704. Its totient is φ = 817147430400.

The previous prime is 817150834987. The next prime is 817150835101. The reversal of 817150835051 is 150538051718.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 817150835051 - 2⁶ = 817150834987 is a prime.

It is a super-2 number, since 2×817150835051² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 817150834993 and 817150835011.

It is not an unprimeable number, because it can be changed into a prime (817150835351) 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 3 ways as a sum of consecutive naturals, for example, 1312565 + ... + 1832246.

It is an arithmetic number, because the mean of its divisors is an integer number (204288559926).

Almost surely, 2^817150835051 is an apocalyptic number.

817150835051 is a deficient number, since it is larger than the sum of its proper divisors (3404653).

817150835051 is a wasteful number, since it uses less digits than its factorization.

817150835051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3404652.

The product of its (nonzero) digits is 168000, while the sum is 44.

Adding to 817150835051 its reverse (150538051718), we get a palindrome (967688886769).

The spelling of 817150835051 in words is "eight hundred seventeen billion, one hundred fifty million, eight hundred thirty-five thousand, fifty-one".