1042253435555 has 8 divisors (see below), whose sum is σ = 1260552187392. Its totient is φ = 827237371968.

The previous prime is 1042253435539. The next prime is 1042253435567. The reversal of 1042253435555 is 5555343522401.

1042253435555 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 1042253435555 - 2⁴ = 1042253435539 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 820671362 + ... + 820672631.

It is an arithmetic number, because the mean of its divisors is an integer number (157569023424).

Almost surely, 2^{1042253435555} is an apocalyptic number.

1042253435555 is a deficient number, since it is larger than the sum of its proper divisors (218298751837).

1042253435555 is a wasteful number, since it uses less digits than its factorization.

1042253435555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1641344125.

The product of its (nonzero) digits is 1800000, while the sum is 44.

Adding to 1042253435555 its reverse (5555343522401), we get a palindrome (6597596957956).

The spelling of 1042253435555 in words is "one trillion, forty-two billion, two hundred fifty-three million, four hundred thirty-five thousand, five hundred fifty-five".