1541421040987 has 2 divisors, whose sum is σ = 1541421040988. Its totient is φ = 1541421040986.

The previous prime is 1541421040927. The next prime is 1541421041029. The reversal of 1541421040987 is 7890401241451.

It is a strong prime.

It is an emirp because it is prime and its reverse (7890401241451) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1541421040987 - 2²³ = 1541412652379 is a prime.

It is not a weakly prime, because it can be changed into another prime (1541421040927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 770710520493 + 770710520494.

It is an arithmetic number, because the mean of its divisors is an integer number (770710520494).

Almost surely, 2^{1541421040987} is an apocalyptic number.

1541421040987 is a deficient number, since it is larger than the sum of its proper divisors (1).

1541421040987 is an equidigital number, since it uses as much as digits as its factorization.

1541421040987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 322560, while the sum is 46.

The spelling of 1541421040987 in words is "one trillion, five hundred forty-one billion, four hundred twenty-one million, forty thousand, nine hundred eighty-seven".