56105499992 has 8 divisors (see below), whose sum is σ = 105197812500. Its totient is φ = 28052749992.

The previous prime is 56105499991. The next prime is 56105500013. The reversal of 56105499992 is 29999450165.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56105499991) 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 as a sum of consecutive naturals, namely, 3506593742 + ... + 3506593757.

Almost surely, 2^56105499992 is an apocalyptic number.

It is an amenable number.

56105499992 is a deficient number, since it is larger than the sum of its proper divisors (49092312508).

56105499992 is a wasteful number, since it uses less digits than its factorization.

56105499992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7013187505 (or 7013187501 counting only the distinct ones).

The product of its (nonzero) digits is 7873200, while the sum is 59.

The spelling of 56105499992 in words is "fifty-six billion, one hundred five million, four hundred ninety-nine thousand, nine hundred ninety-two".