105541532099 has 4 divisors (see below), whose sum is σ = 106014812736. Its totient is φ = 105068251464.

The previous prime is 105541532087. The next prime is 105541532171. The reversal of 105541532099 is 990235145501.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-105541532099 is a prime.

It is a super-2 number, since 2×105541532099² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105541532029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 236639984 + ... + 236640429.

It is an arithmetic number, because the mean of its divisors is an integer number (26503703184).

Almost surely, 2^105541532099 is an apocalyptic number.

105541532099 is a deficient number, since it is larger than the sum of its proper divisors (473280637).

105541532099 is an equidigital number, since it uses as much as digits as its factorization.

105541532099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473280636.

The product of its (nonzero) digits is 243000, while the sum is 44.

The spelling of 105541532099 in words is "one hundred five billion, five hundred forty-one million, five hundred thirty-two thousand, ninety-nine".