1542503043047 has 2 divisors, whose sum is σ = 1542503043048. Its totient is φ = 1542503043046.

The previous prime is 1542503042953. The next prime is 1542503043097. The reversal of 1542503043047 is 7403403052451.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1542503043047 - 2¹⁰ = 1542503042023 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1542503043047.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1542503043097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 771251521523 + 771251521524.

It is an arithmetic number, because the mean of its divisors is an integer number (771251521524).

Almost surely, 2^{1542503043047} is an apocalyptic number.

1542503043047 is a deficient number, since it is larger than the sum of its proper divisors (1).

1542503043047 is an equidigital number, since it uses as much as digits as its factorization.

1542503043047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 201600, while the sum is 38.

Adding to 1542503043047 its reverse (7403403052451), we get a palindrome (8945906095498).

The spelling of 1542503043047 in words is "one trillion, five hundred forty-two billion, five hundred three million, forty-three thousand, forty-seven".