10491592056 has 32 divisors (see below), whose sum is σ = 28613433600. Its totient is φ = 3179270240.

The previous prime is 10491592021. The next prime is 10491592081. The reversal of 10491592056 is 65029519401.

It is a super-2 number, since 2×10491592056² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10491591999 and 10491592017.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 19870176 + ... + 19870703.

It is an arithmetic number, because the mean of its divisors is an integer number (894169800).

Almost surely, 2^10491592056 is an apocalyptic number.

It is an amenable number.

10491592056 is an abundant number, since it is smaller than the sum of its proper divisors (18121841544).

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

10491592056 is a wasteful number, since it uses less digits than its factorization.

10491592056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39740899 (or 39740895 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 42.

The spelling of 10491592056 in words is "ten billion, four hundred ninety-one million, five hundred ninety-two thousand, fifty-six".