8001297048591 has 128 divisors (see below), whose sum is σ = 15661233100800. Its totient is φ = 3915305856000.

The previous prime is 8001297048587. The next prime is 8001297048599. The reversal of 8001297048591 is 1958407921008.

It is a happy number.

8001297048591 is a `hidden beast` number, since 8 + 0 + 0 + 1 + 2 + 9 + 7 + 0 + 48 + 591 = 666.

It is not a de Polignac number, because 8001297048591 - 2² = 8001297048587 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8001297048599) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 853501 + ... + 4090361.

It is an arithmetic number, because the mean of its divisors is an integer number (122353383600).

Almost surely, 2^{8001297048591} is an apocalyptic number.

8001297048591 is a deficient number, since it is larger than the sum of its proper divisors (7659936052209).

8001297048591 is a wasteful number, since it uses less digits than its factorization.

8001297048591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3236958 (or 3236952 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 54.

The spelling of 8001297048591 in words is "eight trillion, one billion, two hundred ninety-seven million, forty-eight thousand, five hundred ninety-one".