1113522101787 has 4 divisors (see below), whose sum is σ = 1484696135720. Its totient is φ = 742348067856.

The previous prime is 1113522101753. The next prime is 1113522101789. The reversal of 1113522101787 is 7871012253111.

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

It is not a de Polignac number, because 1113522101787 - 2¹⁵ = 1113522069019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1113522101789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 185587016962 + ... + 185587016967.

It is an arithmetic number, because the mean of its divisors is an integer number (371174033930).

Almost surely, 2^{1113522101787} is an apocalyptic number.

1113522101787 is a deficient number, since it is larger than the sum of its proper divisors (371174033933).

1113522101787 is an equidigital number, since it uses as much as digits as its factorization.

1113522101787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371174033932.

The product of its (nonzero) digits is 23520, while the sum is 39.

Adding to 1113522101787 its reverse (7871012253111), we get a palindrome (8984534354898).

The spelling of 1113522101787 in words is "one trillion, one hundred thirteen billion, five hundred twenty-two million, one hundred one thousand, seven hundred eighty-seven".