1112611378 has 4 divisors (see below), whose sum is σ = 1668917070. Its totient is φ = 556305688.

The previous prime is 1112611373. The next prime is 1112611411. The reversal of 1112611378 is 8731162111.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8731162111 = 7 ⋅1247308873.

It can be written as a sum of positive squares in only one way, i.e., 941446489 + 171164889 = 30683^2 + 13083^2 .

It is not an unprimeable number, because it can be changed into a prime (1112611373) 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 as a sum of consecutive naturals, namely, 278152843 + ... + 278152846.

Almost surely, 2^1112611378 is an apocalyptic number.

1112611378 is a deficient number, since it is larger than the sum of its proper divisors (556305692).

1112611378 is an equidigital number, since it uses as much as digits as its factorization.

1112611378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556305691.

The product of its digits is 2016, while the sum is 31.

The square root of 1112611378 is about 33355.8297453384. The cubic root of 1112611378 is about 1036.2101268002.

Adding to 1112611378 its reverse (8731162111), we get a palindrome (9843773489).

The spelling of 1112611378 in words is "one billion, one hundred twelve million, six hundred eleven thousand, three hundred seventy-eight".