1042555152243 has 12 divisors (see below), whose sum is σ = 1527932069384. Its totient is φ = 631851607200.

The previous prime is 1042555152179. The next prime is 1042555152283. The reversal of 1042555152243 is 3422515552401.

It is not a de Polignac number, because 1042555152243 - 2⁶ = 1042555152179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1042555152283) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1436026018 + ... + 1436026743.

Almost surely, 2^{1042555152243} is an apocalyptic number.

1042555152243 is a deficient number, since it is larger than the sum of its proper divisors (485376917141).

1042555152243 is a wasteful number, since it uses less digits than its factorization.

1042555152243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2872052786 (or 2872052775 counting only the distinct ones).

The product of its (nonzero) digits is 240000, while the sum is 39.

The spelling of 1042555152243 in words is "one trillion, forty-two billion, five hundred fifty-five million, one hundred fifty-two thousand, two hundred forty-three".