105354243525 has 12 divisors (see below), whose sum is σ = 174185682752. Its totient is φ = 56188929840.

The previous prime is 105354243517. The next prime is 105354243529. The reversal of 105354243525 is 525342453501.

It is not a de Polignac number, because 105354243525 - 2³ = 105354243517 is a prime.

It is a super-2 number, since 2×105354243525² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105354243529) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 702361549 + ... + 702361698.

Almost surely, 2^105354243525 is an apocalyptic number.

105354243525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

105354243525 is a deficient number, since it is larger than the sum of its proper divisors (68831439227).

105354243525 is a wasteful number, since it uses less digits than its factorization.

105354243525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1404723260 (or 1404723255 counting only the distinct ones).

The product of its (nonzero) digits is 360000, while the sum is 39.

The spelling of 105354243525 in words is "one hundred five billion, three hundred fifty-four million, two hundred forty-three thousand, five hundred twenty-five".