105240125015 has 16 divisors (see below), whose sum is σ = 127813027680. Its totient is φ = 83181342720.

The previous prime is 105240125009. The next prime is 105240125021. The reversal of 105240125015 is 510521042501.

It is an interprime number because it is at equal distance from previous prime (105240125009) and next prime (105240125021).

It is not a de Polignac number, because 105240125015 - 2¹⁰ = 105240123991 is a prime.

It is a super-2 number, since 2×105240125015² (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, 219530 + ... + 508599.

It is an arithmetic number, because the mean of its divisors is an integer number (7988314230).

Almost surely, 2^105240125015 is an apocalyptic number.

105240125015 is a deficient number, since it is larger than the sum of its proper divisors (22572902665).

105240125015 is a wasteful number, since it uses less digits than its factorization.

105240125015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 728482.

The product of its (nonzero) digits is 2000, while the sum is 26.

Adding to 105240125015 its reverse (510521042501), we get a palindrome (615761167516).

The spelling of 105240125015 in words is "one hundred five billion, two hundred forty million, one hundred twenty-five thousand, fifteen".