105243819572 has 24 divisors (see below), whose sum is σ = 200281168584. Its totient is φ = 48187948032.

The previous prime is 105243819557. The next prime is 105243819587. The reversal of 105243819572 is 275918342501.

It is an interprime number because it is at equal distance from previous prime (105243819557) and next prime (105243819587).

It can be written as a sum of positive squares in 4 ways, for example, as 28887761296 + 76356058276 = 169964^2 + 276326^2 .

It is a super-2 number, since 2×105243819572² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20912393 + ... + 20917424.

It is an arithmetic number, because the mean of its divisors is an integer number (8345048691).

Almost surely, 2^105243819572 is an apocalyptic number.

It is an amenable number.

105243819572 is a deficient number, since it is larger than the sum of its proper divisors (95037349012).

105243819572 is a wasteful number, since it uses less digits than its factorization.

105243819572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41829875 (or 41829873 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 47.

The spelling of 105243819572 in words is "one hundred five billion, two hundred forty-three million, eight hundred nineteen thousand, five hundred seventy-two".