1542011330243 has 4 divisors (see below), whose sum is σ = 1542230279688. Its totient is φ = 1541792380800.

The previous prime is 1542011330177. The next prime is 1542011330261. The reversal of 1542011330243 is 3420331102451.

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 1542011330243 - 2¹⁴ = 1542011313859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1542011330543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109464158 + ... + 109478243.

It is an arithmetic number, because the mean of its divisors is an integer number (385557569922).

Almost surely, 2^{1542011330243} is an apocalyptic number.

1542011330243 is a deficient number, since it is larger than the sum of its proper divisors (218949445).

1542011330243 is an equidigital number, since it uses as much as digits as its factorization.

1542011330243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218949444.

The product of its (nonzero) digits is 8640, while the sum is 29.

Adding to 1542011330243 its reverse (3420331102451), we get a palindrome (4962342432694).

The spelling of 1542011330243 in words is "one trillion, five hundred forty-two billion, eleven million, three hundred thirty thousand, two hundred forty-three".