1055105500143 has 8 divisors (see below), whose sum is σ = 1406840773888. Its totient is φ = 703386946584.

The previous prime is 1055105500139. The next prime is 1055105500193. The reversal of 1055105500143 is 3410055015501.

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

It is not a de Polignac number, because 1055105500143 - 2² = 1055105500139 is a prime.

It is a super-2 number, since 2×1055105500143² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1055105500143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055105500103) 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, 4032055 + ... + 4285752.

It is an arithmetic number, because the mean of its divisors is an integer number (175855096736).

Almost surely, 2^{1055105500143} is an apocalyptic number.

1055105500143 is a deficient number, since it is larger than the sum of its proper divisors (351735273745).

1055105500143 is an equidigital number, since it uses as much as digits as its factorization.

1055105500143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8360093.

The product of its (nonzero) digits is 7500, while the sum is 30.

The spelling of 1055105500143 in words is "one trillion, fifty-five billion, one hundred five million, five hundred thousand, one hundred forty-three".