11222785735789 has 8 divisors (see below), whose sum is σ = 11230081499000. Its totient is φ = 11215490660352.

The previous prime is 11222785735741. The next prime is 11222785735807. The reversal of 11222785735789 is 98753758722211.

It can be written as a sum of positive squares in 4 ways, for example, as 1224857933289 + 9997927802500 = 1106733^2 + 3161950^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 11222785735789 - 2¹¹ = 11222785733741 is a prime.

It is a super-2 number, since 2×11222785735789² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11222785735729) 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, 34769857 + ... + 35091145.

It is an arithmetic number, because the mean of its divisors is an integer number (1403760187375).

Almost surely, 2^{11222785735789} is an apocalyptic number.

It is an amenable number.

11222785735789 is a deficient number, since it is larger than the sum of its proper divisors (7295763211).

11222785735789 is a wasteful number, since it uses less digits than its factorization.

11222785735789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343887.

The product of its digits is 118540800, while the sum is 67.

The spelling of 11222785735789 in words is "eleven trillion, two hundred twenty-two billion, seven hundred eighty-five million, seven hundred thirty-five thousand, seven hundred eighty-nine".