105552011 has 4 divisors (see below), whose sum is σ = 111107400. Its totient is φ = 99996624.

The previous prime is 105551987. The next prime is 105552017. The reversal of 105552011 is 110255501.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 105552011 - 2⁶ = 105551947 is a prime.

It is a super-2 number, since 2×105552011² = 22282454052288242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105552017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2777666 + ... + 2777703.

It is an arithmetic number, because the mean of its divisors is an integer number (27776850).

Almost surely, 2^105552011 is an apocalyptic number.

105552011 is a deficient number, since it is larger than the sum of its proper divisors (5555389).

105552011 is an equidigital number, since it uses as much as digits as its factorization.

105552011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5555388.

The product of its (nonzero) digits is 250, while the sum is 20.

The square root of 105552011 is about 10273.8508359816. The cubic root of 105552011 is about 472.5946896442.

The spelling of 105552011 in words is "one hundred five million, five hundred fifty-two thousand, eleven".