131367217599 has 12 divisors (see below), whose sum is σ = 189841469376. Its totient is φ = 87537150432.

The previous prime is 131367217567. The next prime is 131367217607. The reversal of 131367217599 is 995712763131.

131367217599 is a `hidden beast` number, since 1 + 3 + 1 + 36 + 7 + 2 + 17 + 599 = 666.

It is not a de Polignac number, because 131367217599 - 2⁵ = 131367217567 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131367217529) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3395919 + ... + 3434384.

It is an arithmetic number, because the mean of its divisors is an integer number (15820122448).

Almost surely, 2^131367217599 is an apocalyptic number.

131367217599 is a deficient number, since it is larger than the sum of its proper divisors (58474251777).

131367217599 is a wasteful number, since it uses less digits than its factorization.

131367217599 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6832446 (or 6832443 counting only the distinct ones).

The product of its digits is 2143260, while the sum is 54.

The spelling of 131367217599 in words is "one hundred thirty-one billion, three hundred sixty-seven million, two hundred seventeen thousand, five hundred ninety-nine".