105060543553 has 4 divisors (see below), whose sum is σ = 120069192640. Its totient is φ = 90051894468.

The previous prime is 105060543437. The next prime is 105060543559. The reversal of 105060543553 is 355345060501.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 355345060501 = 197 ⋅1803782033.

It is a cyclic number.

It is not a de Polignac number, because 105060543553 - 2¹³ = 105060535361 is a prime.

It is a super-2 number, since 2×105060543553² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105060543559) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7504324533 + ... + 7504324546.

It is an arithmetic number, because the mean of its divisors is an integer number (30017298160).

Almost surely, 2^105060543553 is an apocalyptic number.

It is an amenable number.

105060543553 is a deficient number, since it is larger than the sum of its proper divisors (15008649087).

105060543553 is an equidigital number, since it uses as much as digits as its factorization.

105060543553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15008649086.

The product of its (nonzero) digits is 135000, while the sum is 37.

The spelling of 105060543553 in words is "one hundred five billion, sixty million, five hundred forty-three thousand, five hundred fifty-three".