8081158161547 has 2 divisors, whose sum is σ = 8081158161548. Its totient is φ = 8081158161546.

The previous prime is 8081158161437. The next prime is 8081158161553. The reversal of 8081158161547 is 7451618511808.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8081158161547 - 2³⁹ = 7531402347659 is a prime.

It is not a weakly prime, because it can be changed into another prime (8081158167547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4040579080773 + 4040579080774.

It is an arithmetic number, because the mean of its divisors is an integer number (4040579080774).

Almost surely, 2^{8081158161547} is an apocalyptic number.

8081158161547 is a deficient number, since it is larger than the sum of its proper divisors (1).

8081158161547 is an equidigital number, since it uses as much as digits as its factorization.

8081158161547 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2150400, while the sum is 55.

The spelling of 8081158161547 in words is "eight trillion, eighty-one billion, one hundred fifty-eight million, one hundred sixty-one thousand, five hundred forty-seven".