105500505499 has 8 divisors (see below), whose sum is σ = 107295859440. Its totient is φ = 103705392000.

The previous prime is 105500505497. The next prime is 105500505541. The reversal of 105500505499 is 994505005501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 105500505499 - 2¹ = 105500505497 is a prime.

It is a super-2 number, since 2×105500505499² (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 (105500505491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 975279 + ... + 1078039.

It is an arithmetic number, because the mean of its divisors is an integer number (13411982430).

Almost surely, 2^105500505499 is an apocalyptic number.

105500505499 is a deficient number, since it is larger than the sum of its proper divisors (1795353941).

105500505499 is a wasteful number, since it uses less digits than its factorization.

105500505499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120221.

The product of its (nonzero) digits is 202500, while the sum is 43.

The spelling of 105500505499 in words is "one hundred five billion, five hundred million, five hundred five thousand, four hundred ninety-nine".