131045355555511 has 8 divisors (see below), whose sum is σ = 131517912494304. Its totient is φ = 130572970747680.

The previous prime is 131045355555487. The next prime is 131045355555553. The reversal of 131045355555511 is 115555553540131.

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 131045355555511 - 2¹⁷ = 131045355424439 is a prime.

It is a super-2 number, since 2×131045355555511² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131045355555011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41507275 + ... + 44552716.

It is an arithmetic number, because the mean of its divisors is an integer number (16439739061788).

Almost surely, 2^{131045355555511} is an apocalyptic number.

131045355555511 is a deficient number, since it is larger than the sum of its proper divisors (472556938793).

131045355555511 is an equidigital number, since it uses as much as digits as its factorization.

131045355555511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86065481.

The product of its (nonzero) digits is 2812500, while the sum is 49.

The spelling of 131045355555511 in words is "one hundred thirty-one trillion, forty-five billion, three hundred fifty-five million, five hundred fifty-five thousand, five hundred eleven".