1099687586268 has 12 divisors (see below), whose sum is σ = 2565937701320. Its totient is φ = 366562528752.

The previous prime is 1099687586219. The next prime is 1099687586279. The reversal of 1099687586268 is 8626857869901.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 1099687586268.

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, 45820316083 + ... + 45820316106.

Almost surely, 2^{1099687586268} is an apocalyptic number.

It is an amenable number.

1099687586268 is an abundant number, since it is smaller than the sum of its proper divisors (1466250115052).

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

1099687586268 is a wasteful number, since it uses less digits than its factorization.

1099687586268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91640632196 (or 91640632194 counting only the distinct ones).

The product of its (nonzero) digits is 627056640, while the sum is 75.

The spelling of 1099687586268 in words is "one trillion, ninety-nine billion, six hundred eighty-seven million, five hundred eighty-six thousand, two hundred sixty-eight".