10721150727678 has 12 divisors (see below), whose sum is σ = 23229159910008. Its totient is φ = 3573716909220.

The previous prime is 10721150727631. The next prime is 10721150727701. The reversal of 10721150727678 is 87672705112701.

10721150727678 is a `hidden beast` number, since 1 + 0 + 72 + 1 + 1 + 507 + 2 + 7 + 67 + 8 = 666.

It is a super-2 number, since 2×10721150727678² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 297809742418 + ... + 297809742453.

It is an arithmetic number, because the mean of its divisors is an integer number (1935763325834).

Almost surely, 2^{10721150727678} is an apocalyptic number.

10721150727678 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

10721150727678 is an abundant number, since it is smaller than the sum of its proper divisors (12508009182330).

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

10721150727678 is a wasteful number, since it uses less digits than its factorization.

10721150727678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 595619484879 (or 595619484876 counting only the distinct ones).

The product of its (nonzero) digits is 2304960, while the sum is 54.

The spelling of 10721150727678 in words is "ten trillion, seven hundred twenty-one billion, one hundred fifty million, seven hundred twenty-seven thousand, six hundred seventy-eight".