1113437663 has 4 divisors (see below), whose sum is σ = 1199086728. Its totient is φ = 1027788600.

The previous prime is 1113437653. The next prime is 1113437671. The reversal of 1113437663 is 3667343111.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1113437663 - 2⁶ = 1113437599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113437623) 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, 42824513 + ... + 42824538.

It is an arithmetic number, because the mean of its divisors is an integer number (299771682).

Almost surely, 2^1113437663 is an apocalyptic number.

1113437663 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1113437663 is a deficient number, since it is larger than the sum of its proper divisors (85649065).

1113437663 is an equidigital number, since it uses as much as digits as its factorization.

1113437663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85649064.

The product of its digits is 27216, while the sum is 35.

The square root of 1113437663 is about 33368.2133624202. The cubic root of 1113437663 is about 1036.4665784341.

The spelling of 1113437663 in words is "one billion, one hundred thirteen million, four hundred thirty-seven thousand, six hundred sixty-three".