1113321631636 has 48 divisors (see below), whose sum is σ = 2088452209536. Its totient is φ = 517947433344.

The previous prime is 1113321631577. The next prime is 1113321631661. The reversal of 1113321631636 is 6361361233111.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a junction number, because it is equal to n+sod(n) for n = 1113321631595 and 1113321631604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15612615 + ... + 15683761.

It is an arithmetic number, because the mean of its divisors is an integer number (43509421032).

Almost surely, 2^{1113321631636} is an apocalyptic number.

It is an amenable number.

1113321631636 is a deficient number, since it is larger than the sum of its proper divisors (975130577900).

1113321631636 is a wasteful number, since it uses less digits than its factorization.

1113321631636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75808 (or 75806 counting only the distinct ones).

The product of its digits is 34992, while the sum is 37.

Adding to 1113321631636 its reverse (6361361233111), we get a palindrome (7474682864747).

The spelling of 1113321631636 in words is "one trillion, one hundred thirteen billion, three hundred twenty-one million, six hundred thirty-one thousand, six hundred thirty-six".