1112681505945 has 32 divisors (see below), whose sum is σ = 1799906929920. Its totient is φ = 586925625600.

The previous prime is 1112681505941. The next prime is 1112681505967. The reversal of 1112681505945 is 5495051862111.

It is a happy number.

It is not a de Polignac number, because 1112681505945 - 2² = 1112681505941 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1112681505894 and 1112681505903.

It is not an unprimeable number, because it can be changed into a prime (1112681505941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 553914 + ... + 1591283.

It is an arithmetic number, because the mean of its divisors is an integer number (56247091560).

Almost surely, 2^{1112681505945} is an apocalyptic number.

1112681505945 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1112681505945 is a deficient number, since it is larger than the sum of its proper divisors (687225423975).

1112681505945 is a wasteful number, since it uses less digits than its factorization.

1112681505945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2145585.

The product of its (nonzero) digits is 432000, while the sum is 48.

The spelling of 1112681505945 in words is "one trillion, one hundred twelve billion, six hundred eighty-one million, five hundred five thousand, nine hundred forty-five".