1112277813 has 4 divisors (see below), whose sum is σ = 1483037088. Its totient is φ = 741518540.

The previous prime is 1112277809. The next prime is 1112277851. The reversal of 1112277813 is 3187722111.

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 1112277813 - 2² = 1112277809 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112277013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 185379633 + ... + 185379638.

It is an arithmetic number, because the mean of its divisors is an integer number (370759272).

Almost surely, 2^1112277813 is an apocalyptic number.

It is an amenable number.

1112277813 is a deficient number, since it is larger than the sum of its proper divisors (370759275).

1112277813 is an equidigital number, since it uses as much as digits as its factorization.

1112277813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370759274.

The product of its digits is 4704, while the sum is 33.

The square root of 1112277813 is about 33350.8292700496. The cubic root of 1112277813 is about 1036.1065632423.

Adding to 1112277813 its reverse (3187722111), we get a palindrome (4299999924).

The spelling of 1112277813 in words is "one billion, one hundred twelve million, two hundred seventy-seven thousand, eight hundred thirteen".