1115221369536 has 168 divisors, whose sum is σ = 3459102925824. Its totient is φ = 355577713920.

The previous prime is 1115221369531. The next prime is 1115221369571. The reversal of 1115221369536 is 6359631225111.

1115221369536 is a `hidden beast` number, since 1 + 1 + 1 + 52 + 2 + 1 + 3 + 69 + 536 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 1115221369491 and 1115221369500.

It is not an unprimeable number, because it can be changed into a prime (1115221369531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1201200 + ... + 1916591.

It is an arithmetic number, because the mean of its divisors is an integer number (20589898368).

Almost surely, 2^{1115221369536} is an apocalyptic number.

1115221369536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1115221369536 is an abundant number, since it is smaller than the sum of its proper divisors (2343881556288).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1115221369536 is an equidigital number, since it uses as much as digits as its factorization.

1115221369536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3117841 (or 3117819 counting only the distinct ones).

The product of its digits is 291600, while the sum is 45.

The spelling of 1115221369536 in words is "one trillion, one hundred fifteen billion, two hundred twenty-one million, three hundred sixty-nine thousand, five hundred thirty-six".