105531124015 has 16 divisors (see below), whose sum is σ = 133315459200. Its totient is φ = 79973691552.

The previous prime is 105531123991. The next prime is 105531124051. The reversal of 105531124015 is 510421135501.

It is a cyclic number.

It is not a de Polignac number, because 105531124015 - 2⁵ = 105531123983 is a prime.

It is a super-2 number, since 2×105531124015² (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 15 ways as a sum of consecutive naturals, for example, 1042516 + ... + 1139254.

It is an arithmetic number, because the mean of its divisors is an integer number (8332216200).

Almost surely, 2^105531124015 is an apocalyptic number.

105531124015 is a deficient number, since it is larger than the sum of its proper divisors (27784335185).

105531124015 is a wasteful number, since it uses less digits than its factorization.

105531124015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108246.

The product of its (nonzero) digits is 3000, while the sum is 28.

Adding to 105531124015 its reverse (510421135501), we get a palindrome (615952259516).

The spelling of 105531124015 in words is "one hundred five billion, five hundred thirty-one million, one hundred twenty-four thousand, fifteen".