1111778334 has 24 divisors (see below), whose sum is σ = 2410087680. Its totient is φ = 370402848.

The previous prime is 1111778303. The next prime is 1111778351. The reversal of 1111778334 is 4338771111.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 22819 + ... + 52385.

It is an arithmetic number, because the mean of its divisors is an integer number (100420320).

Almost surely, 2^1111778334 is an apocalyptic number.

1111778334 is an abundant number, since it is smaller than the sum of its proper divisors (1298309346).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1111778334 is a wasteful number, since it uses less digits than its factorization.

1111778334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31664 (or 31661 counting only the distinct ones).

The product of its digits is 14112, while the sum is 36.

The square root of 1111778334 is about 33343.3401746136. The cubic root of 1111778334 is about 1035.9514488311.

The spelling of 1111778334 in words is "one billion, one hundred eleven million, seven hundred seventy-eight thousand, three hundred thirty-four".