105550503513 has 16 divisors (see below), whose sum is σ = 173211083136. Its totient is φ = 55674990720.

The previous prime is 105550503511. The next prime is 105550503523. The reversal of 105550503513 is 315305055501.

It is not a de Polignac number, because 105550503513 - 2¹ = 105550503511 is a prime.

It is a super-2 number, since 2×105550503513² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105550503511) 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 15 ways as a sum of consecutive naturals, for example, 193315668 + ... + 193316213.

It is an arithmetic number, because the mean of its divisors is an integer number (10825692696).

Almost surely, 2^105550503513 is an apocalyptic number.

105550503513 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

105550503513 is a deficient number, since it is larger than the sum of its proper divisors (67660579623).

105550503513 is a wasteful number, since it uses less digits than its factorization.

105550503513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386631904.

The product of its (nonzero) digits is 28125, while the sum is 33.

The spelling of 105550503513 in words is "one hundred five billion, five hundred fifty million, five hundred three thousand, five hundred thirteen".