10555911 has 12 divisors (see below), whose sum is σ = 15303288. Its totient is φ = 7011504.

The previous prime is 10555891. The next prime is 10555927. The reversal of 10555911 is 11955501.

10555911 is a `hidden beast` number, since 105 + 559 + 1 + 1 = 666.

It is not a de Polignac number, because 10555911 - 2⁵ = 10555879 is a prime.

It is a super-2 number, since 2×10555911² = 222854514079842, which contains 22 as substring.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10555931) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 636 + ... + 4638.

It is an arithmetic number, because the mean of its divisors is an integer number (1275274).

Almost surely, 2^10555911 is an apocalyptic number.

10555911 is a deficient number, since it is larger than the sum of its proper divisors (4747377).

10555911 is a wasteful number, since it uses less digits than its factorization.

10555911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4302 (or 4299 counting only the distinct ones).

The product of its (nonzero) digits is 1125, while the sum is 27.

The square root of 10555911 is about 3248.9861495550. The cubic root of 10555911 is about 219.3639410501.

It can be divided in two parts, 105559 and 11, that added together give a triangular number (105570 = T₄₅₉).

The spelling of 10555911 in words is "ten million, five hundred fifty-five thousand, nine hundred eleven".