105550503512 has 32 divisors (see below), whose sum is σ = 204331075200. Its totient is φ = 51062880000.

The previous prime is 105550503511. The next prime is 105550503523. The reversal of 105550503512 is 215305055501.

It is a super-2 number, since 2×105550503512² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105550503511) 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, 1325564 + ... + 1402932.

It is an arithmetic number, because the mean of its divisors is an integer number (6385346100).

Almost surely, 2^105550503512 is an apocalyptic number.

It is an amenable number.

105550503512 is a deficient number, since it is larger than the sum of its proper divisors (98780571688).

105550503512 is a wasteful number, since it uses less digits than its factorization.

105550503512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82907 (or 82903 counting only the distinct ones).

The product of its (nonzero) digits is 18750, while the sum is 32.

The spelling of 105550503512 in words is "one hundred five billion, five hundred fifty million, five hundred three thousand, five hundred twelve".