131306755643555 has 8 divisors (see below), whose sum is σ = 158478905078352. Its totient is φ = 104438205644128.

The previous prime is 131306755643527. The next prime is 131306755643597. The reversal of 131306755643555 is 555346557603131.

It is a happy number.

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 131306755643555 - 2²⁶ = 131306688534691 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131306755643494 and 131306755643503.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75899857889 + ... + 75899859618.

It is an arithmetic number, because the mean of its divisors is an integer number (19809863134794).

Almost surely, 2^{131306755643555} is an apocalyptic number.

131306755643555 is a deficient number, since it is larger than the sum of its proper divisors (27172149434797).

131306755643555 is a wasteful number, since it uses less digits than its factorization.

131306755643555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151799717685.

The product of its (nonzero) digits is 85050000, while the sum is 59.

The spelling of 131306755643555 in words is "one hundred thirty-one trillion, three hundred six billion, seven hundred fifty-five million, six hundred forty-three thousand, five hundred fifty-five".