10545811 has 4 divisors (see below), whose sum is σ = 10571400. Its totient is φ = 10520224.

The previous prime is 10545809. The next prime is 10545823. The reversal of 10545811 is 11854501.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11854501 = 163 ⋅72727.

It is a cyclic number.

It is not a de Polignac number, because 10545811 - 2¹ = 10545809 is a prime.

It is a super-2 number, since 2×10545811² = 222428259295442, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10545841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12166 + ... + 13003.

It is an arithmetic number, because the mean of its divisors is an integer number (2642850).

Almost surely, 2^10545811 is an apocalyptic number.

10545811 is a deficient number, since it is larger than the sum of its proper divisors (25589).

10545811 is an equidigital number, since it uses as much as digits as its factorization.

10545811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25588.

The product of its (nonzero) digits is 800, while the sum is 25.

The square root of 10545811 is about 3247.4314465436. The cubic root of 10545811 is about 219.2939555286.

The spelling of 10545811 in words is "ten million, five hundred forty-five thousand, eight hundred eleven".