105540522009 has 32 divisors (see below), whose sum is σ = 152846883840. Its totient is φ = 64391519808.

The previous prime is 105540522007. The next prime is 105540522011. The reversal of 105540522009 is 900225045501.

It is an interprime number because it is at equal distance from previous prime (105540522007) and next prime (105540522011).

It is not a de Polignac number, because 105540522009 - 2¹ = 105540522007 is a prime.

It is a super-2 number, since 2×105540522009² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105540522007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4014702 + ... + 4040904.

It is an arithmetic number, because the mean of its divisors is an integer number (4776465120).

Almost surely, 2^105540522009 is an apocalyptic number.

It is an amenable number.

105540522009 is a deficient number, since it is larger than the sum of its proper divisors (47306361831).

105540522009 is a wasteful number, since it uses less digits than its factorization.

105540522009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27101.

The product of its (nonzero) digits is 18000, while the sum is 33.

The spelling of 105540522009 in words is "one hundred five billion, five hundred forty million, five hundred twenty-two thousand, nine".