111678384424 has 16 divisors (see below), whose sum is σ = 209417382900. Its totient is φ = 55833748992.

The previous prime is 111678384409. The next prime is 111678384449. The reversal of 111678384424 is 424483876111.

It can be written as a sum of positive squares in 2 ways, for example, as 110743859524 + 934524900 = 332782^2 + 30570^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 592539 + ... + 757930.

Almost surely, 2^111678384424 is an apocalyptic number.

It is an amenable number.

111678384424 is a deficient number, since it is larger than the sum of its proper divisors (97738998476).

111678384424 is a wasteful number, since it uses less digits than its factorization.

111678384424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1360812 (or 1360808 counting only the distinct ones).

The product of its digits is 1032192, while the sum is 49.

The spelling of 111678384424 in words is "one hundred eleven billion, six hundred seventy-eight million, three hundred eighty-four thousand, four hundred twenty-four".