1113478966 has 4 divisors (see below), whose sum is σ = 1670218452. Its totient is φ = 556739482.

The previous prime is 1113478913. The next prime is 1113478973. The reversal of 1113478966 is 6698743111.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278369740 + ... + 278369743.

It is an arithmetic number, because the mean of its divisors is an integer number (417554613).

Almost surely, 2^1113478966 is an apocalyptic number.

1113478966 is a deficient number, since it is larger than the sum of its proper divisors (556739486).

1113478966 is an equidigital number, since it uses as much as digits as its factorization.

1113478966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556739485.

The product of its digits is 217728, while the sum is 46.

The square root of 1113478966 is about 33368.8322540661. The cubic root of 1113478966 is about 1036.4793941942.

It can be divided in two parts, 11134 and 78966, that added together give a triangular number (90100 = T₄₂₄).

The spelling of 1113478966 in words is "one billion, one hundred thirteen million, four hundred seventy-eight thousand, nine hundred sixty-six".