8211551122373 has 4 divisors (see below), whose sum is σ = 8476439868288. Its totient is φ = 7946662376460.

The previous prime is 8211551122289. The next prime is 8211551122429. The reversal of 8211551122373 is 3732211551128.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8211551122373 - 2¹⁶ = 8211551056837 is a prime.

It is a super-2 number, since 2×8211551122373² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8211551122373.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8211551172373) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132444372911 + ... + 132444372972.

It is an arithmetic number, because the mean of its divisors is an integer number (2119109967072).

Almost surely, 2^{8211551122373} is an apocalyptic number.

It is an amenable number.

8211551122373 is a deficient number, since it is larger than the sum of its proper divisors (264888745915).

8211551122373 is a wasteful number, since it uses less digits than its factorization.

8211551122373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264888745914.

The product of its digits is 100800, while the sum is 41.

The spelling of 8211551122373 in words is "eight trillion, two hundred eleven billion, five hundred fifty-one million, one hundred twenty-two thousand, three hundred seventy-three".