1111473125644 has 12 divisors (see below), whose sum is σ = 2222946251344. Its totient is φ = 476345625264.

The previous prime is 1111473125639. The next prime is 1111473125647. The reversal of 1111473125644 is 4465213741111.

It is a happy number.

1111473125644 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 1111473125597 and 1111473125606.

It is not an unprimeable number, because it can be changed into a prime (1111473125647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19847734359 + ... + 19847734414.

Almost surely, 2^{1111473125644} is an apocalyptic number.

1111473125644 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1111473125644 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1111473125644 is a wasteful number, since it uses less digits than its factorization.

1111473125644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39695468784 (or 39695468782 counting only the distinct ones).

The product of its digits is 80640, while the sum is 40.

Adding to 1111473125644 its reverse (4465213741111), we get a palindrome (5576686866755).

The spelling of 1111473125644 in words is "one trillion, one hundred eleven billion, four hundred seventy-three million, one hundred twenty-five thousand, six hundred forty-four".