10911087855 has 32 divisors (see below), whose sum is σ = 19408435200. Its totient is φ = 5815963296.

The previous prime is 10911087853. The next prime is 10911087881. The reversal of 10911087855 is 55878011901.

It is not a de Polignac number, because 10911087855 - 2¹ = 10911087853 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 10911087855.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10911087853) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 227466 + ... + 271224.

It is an arithmetic number, because the mean of its divisors is an integer number (606513600).

Almost surely, 2^10911087855 is an apocalyptic number.

10911087855 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

10911087855 is a deficient number, since it is larger than the sum of its proper divisors (8497347345).

10911087855 is a wasteful number, since it uses less digits than its factorization.

10911087855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45620 (or 45614 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 45.

The spelling of 10911087855 in words is "ten billion, nine hundred eleven million, eighty-seven thousand, eight hundred fifty-five".