1042050455555 has 4 divisors (see below), whose sum is σ = 1250460546672. Its totient is φ = 833640364440.

The previous prime is 1042050455539. The next prime is 1042050455573. The reversal of 1042050455555 is 5555540502401.

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

It is not a de Polignac number, because 1042050455555 - 2⁴ = 1042050455539 is a prime.

It is a super-3 number, since 3×1042050455555³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104205045551 + ... + 104205045560.

It is an arithmetic number, because the mean of its divisors is an integer number (312615136668).

Almost surely, 2^{1042050455555} is an apocalyptic number.

1042050455555 is a deficient number, since it is larger than the sum of its proper divisors (208410091117).

1042050455555 is an equidigital number, since it uses as much as digits as its factorization.

1042050455555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208410091116.

The product of its (nonzero) digits is 500000, while the sum is 41.

Adding to 1042050455555 its reverse (5555540502401), we get a palindrome (6597590957956).

The spelling of 1042050455555 in words is "one trillion, forty-two billion, fifty million, four hundred fifty-five thousand, five hundred fifty-five".