1055510512255 has 4 divisors (see below), whose sum is σ = 1266612614712. Its totient is φ = 844408409800.

The previous prime is 1055510512213. The next prime is 1055510512279. The reversal of 1055510512255 is 5522150155501.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1055510512255 - 2²⁵ = 1055476957823 is a prime.

It is a super-4 number, since 4×1055510512255⁴ (a number of 49 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105551051221 + ... + 105551051230.

It is an arithmetic number, because the mean of its divisors is an integer number (316653153678).

Almost surely, 2^{1055510512255} is an apocalyptic number.

1055510512255 is a deficient number, since it is larger than the sum of its proper divisors (211102102457).

1055510512255 is an equidigital number, since it uses as much as digits as its factorization.

1055510512255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211102102456.

The product of its (nonzero) digits is 62500, while the sum is 37.

Adding to 1055510512255 its reverse (5522150155501), we get a palindrome (6577660667756).

The spelling of 1055510512255 in words is "one trillion, fifty-five billion, five hundred ten million, five hundred twelve thousand, two hundred fifty-five".