7142544455987 has 2 divisors, whose sum is σ = 7142544455988. Its totient is φ = 7142544455986.

The previous prime is 7142544455899. The next prime is 7142544456031. The reversal of 7142544455987 is 7895544452417.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7142544455987 - 2¹⁰ = 7142544454963 is a prime.

It is not a weakly prime, because it can be changed into another prime (7142544425987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3571272227993 + 3571272227994.

It is an arithmetic number, because the mean of its divisors is an integer number (3571272227994).

Almost surely, 2^{7142544455987} is an apocalyptic number.

7142544455987 is a deficient number, since it is larger than the sum of its proper divisors (1).

7142544455987 is an equidigital number, since it uses as much as digits as its factorization.

7142544455987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 225792000, while the sum is 65.

The spelling of 7142544455987 in words is "seven trillion, one hundred forty-two billion, five hundred forty-four million, four hundred fifty-five thousand, nine hundred eighty-seven".