105512343500 has 48 divisors (see below), whose sum is σ = 231531317472. Its totient is φ = 42004872000.

The previous prime is 105512343491. The next prime is 105512343551. The reversal of 105512343500 is 5343215501.

It is a super-2 number, since 2×105512343500² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 394559 + ... + 605558.

It is an arithmetic number, because the mean of its divisors is an integer number (4823569114).

Almost surely, 2^105512343500 is an apocalyptic number.

105512343500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

105512343500 is an abundant number, since it is smaller than the sum of its proper divisors (126018973972).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

105512343500 is a wasteful number, since it uses less digits than its factorization.

105512343500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000347 (or 1000335 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 29.

The spelling of 105512343500 in words is "one hundred five billion, five hundred twelve million, three hundred forty-three thousand, five hundred".