10556974788638 has 8 divisors (see below), whose sum is σ = 15835501106832. Its totient is φ = 5278474419696.

The previous prime is 10556974788617. The next prime is 10556974788649. The reversal of 10556974788638 is 83688747965501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×10556974788638² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5436170 + ... + 7117997.

It is an arithmetic number, because the mean of its divisors is an integer number (1979437638354).

Almost surely, 2^{10556974788638} is an apocalyptic number.

10556974788638 is a deficient number, since it is larger than the sum of its proper divisors (5278526318194).

10556974788638 is a wasteful number, since it uses less digits than its factorization.

10556974788638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12974626.

The product of its (nonzero) digits is 2438553600, while the sum is 77.

The spelling of 10556974788638 in words is "ten trillion, five hundred fifty-six billion, nine hundred seventy-four million, seven hundred eighty-eight thousand, six hundred thirty-eight".