1142542352099 has 4 divisors (see below), whose sum is σ = 1142544893136. Its totient is φ = 1142539811064.

The previous prime is 1142542352053. The next prime is 1142542352177. The reversal of 1142542352099 is 9902532452411.

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

It is a cyclic number.

It is not a de Polignac number, because 1142542352099 - 2⁸ = 1142542351843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1142542352009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 394919 + ... + 1562384.

It is an arithmetic number, because the mean of its divisors is an integer number (285636223284).

Almost surely, 2^{1142542352099} is an apocalyptic number.

1142542352099 is a deficient number, since it is larger than the sum of its proper divisors (2541037).

1142542352099 is an equidigital number, since it uses as much as digits as its factorization.

1142542352099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2541036.

The product of its (nonzero) digits is 777600, while the sum is 47.

The spelling of 1142542352099 in words is "one trillion, one hundred forty-two billion, five hundred forty-two million, three hundred fifty-two thousand, ninety-nine".