131155552541999 has 8 divisors (see below), whose sum is σ = 136858187191680. Its totient is φ = 125452936169176.

The previous prime is 131155552541971. The next prime is 131155552542013. The reversal of 131155552541999 is 999145255551131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 131155552541999 - 2³² = 131151257574703 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131155552571999) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11261972 + ... + 19726710.

It is an arithmetic number, because the mean of its divisors is an integer number (17107273398960).

Almost surely, 2^{131155552541999} is an apocalyptic number.

131155552541999 is a deficient number, since it is larger than the sum of its proper divisors (5702634649681).

131155552541999 is an equidigital number, since it uses as much as digits as its factorization.

131155552541999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9138429.

The product of its digits is 54675000, while the sum is 65.

The spelling of 131155552541999 in words is "one hundred thirty-one trillion, one hundred fifty-five billion, five hundred fifty-two million, five hundred forty-one thousand, nine hundred ninety-nine".