10491785983288 has 8 divisors (see below), whose sum is σ = 19672098718680. Its totient is φ = 5245892991640.

The previous prime is 10491785983279. The next prime is 10491785983303. The reversal of 10491785983288 is 88238958719401.

10491785983288 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×10491785983288² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10491785983288.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 655736623948 + ... + 655736623963.

It is an arithmetic number, because the mean of its divisors is an integer number (2459012339835).

Almost surely, 2^{10491785983288} is an apocalyptic number.

It is an amenable number.

10491785983288 is a deficient number, since it is larger than the sum of its proper divisors (9180312735392).

10491785983288 is a wasteful number, since it uses less digits than its factorization.

10491785983288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1311473247917 (or 1311473247913 counting only the distinct ones).

The product of its (nonzero) digits is 278691840, while the sum is 73.

The spelling of 10491785983288 in words is "ten trillion, four hundred ninety-one billion, seven hundred eighty-five million, nine hundred eighty-three thousand, two hundred eighty-eight".