105555205253 has 4 divisors (see below), whose sum is σ = 105928192128. Its totient is φ = 105182218380.

The previous prime is 105555205247. The next prime is 105555205277. The reversal of 105555205253 is 352502555501.

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.

It is a cyclic number.

It is not a de Polignac number, because 105555205253 - 2³⁴ = 88375336069 is a prime.

It is a super-2 number, since 2×105555205253² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105555205453) 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, 186493013 + ... + 186493578.

It is an arithmetic number, because the mean of its divisors is an integer number (26482048032).

Almost surely, 2^105555205253 is an apocalyptic number.

It is an amenable number.

105555205253 is a deficient number, since it is larger than the sum of its proper divisors (372986875).

105555205253 is an equidigital number, since it uses as much as digits as its factorization.

105555205253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372986874.

The product of its (nonzero) digits is 187500, while the sum is 38.

The spelling of 105555205253 in words is "one hundred five billion, five hundred fifty-five million, two hundred five thousand, two hundred fifty-three".