105042205531 has 16 divisors (see below), whose sum is σ = 106336890880. Its totient is φ = 103754196000.

The previous prime is 105042205529. The next prime is 105042205547. The reversal of 105042205531 is 135502240501.

It is a cyclic number.

It is not a de Polignac number, because 105042205531 - 2¹ = 105042205529 is a prime.

It is a super-2 number, since 2×105042205531² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 105042205531.

It is not an unprimeable number, because it can be changed into a prime (105042205561) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79156990 + ... + 79158316.

It is an arithmetic number, because the mean of its divisors is an integer number (6646055680).

Almost surely, 2^105042205531 is an apocalyptic number.

105042205531 is a deficient number, since it is larger than the sum of its proper divisors (1294685349).

105042205531 is a wasteful number, since it uses less digits than its factorization.

105042205531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3154.

The product of its (nonzero) digits is 6000, while the sum is 28.

The spelling of 105042205531 in words is "one hundred five billion, forty-two million, two hundred five thousand, five hundred thirty-one".