1542513231487 has 2 divisors, whose sum is σ = 1542513231488. Its totient is φ = 1542513231486.

The previous prime is 1542513231443. The next prime is 1542513231541. The reversal of 1542513231487 is 7841323152451.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1542513231487 - 2⁷ = 1542513231359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1542513231407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 771256615743 + 771256615744.

It is an arithmetic number, because the mean of its divisors is an integer number (771256615744).

Almost surely, 2^{1542513231487} is an apocalyptic number.

1542513231487 is a deficient number, since it is larger than the sum of its proper divisors (1).

1542513231487 is an equidigital number, since it uses as much as digits as its factorization.

1542513231487 is an evil number, because the sum of its binary digits is even.

The product of its digits is 806400, while the sum is 46.

The spelling of 1542513231487 in words is "one trillion, five hundred forty-two billion, five hundred thirteen million, two hundred thirty-one thousand, four hundred eighty-seven".