105204143555 has 8 divisors (see below), whose sum is σ = 144279968352. Its totient is φ = 72139984128.

The previous prime is 105204143549. The next prime is 105204143557. The reversal of 105204143555 is 555341402501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 105204143555 - 2⁶ = 105204143491 is a prime.

It is a super-2 number, since 2×105204143555² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35), and also a Moran number because the ratio is a prime number: 3005832673 = 105204143555 / (1 + 0 + 5 + 2 + 0 + 4 + 1 + 4 + 3 + 5 + 5 + 5).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105204143557) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1502916302 + ... + 1502916371.

It is an arithmetic number, because the mean of its divisors is an integer number (18034996044).

Almost surely, 2^105204143555 is an apocalyptic number.

105204143555 is a deficient number, since it is larger than the sum of its proper divisors (39075824797).

105204143555 is an equidigital number, since it uses as much as digits as its factorization.

105204143555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3005832685.

The product of its (nonzero) digits is 60000, while the sum is 35.

The spelling of 105204143555 in words is "one hundred five billion, two hundred four million, one hundred forty-three thousand, five hundred fifty-five".