131055056365 has 8 divisors (see below), whose sum is σ = 157379954328. Its totient is φ = 104768120640.

The previous prime is 131055056359. The next prime is 131055056369. The reversal of 131055056365 is 563650550131.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 33047240521 + 98007815844 = 181789^2 + 313062^2 .

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

It is not a de Polignac number, because 131055056365 - 2²⁹ = 130518185453 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 (131055056369) 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, 9482962 + ... + 9496771.

It is an arithmetic number, because the mean of its divisors is an integer number (19672494291).

Almost surely, 2^131055056365 is an apocalyptic number.

It is an amenable number.

131055056365 is a deficient number, since it is larger than the sum of its proper divisors (26324897963).

131055056365 is a wasteful number, since it uses less digits than its factorization.

131055056365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18981119.

The product of its (nonzero) digits is 202500, while the sum is 40.

The spelling of 131055056365 in words is "one hundred thirty-one billion, fifty-five million, fifty-six thousand, three hundred sixty-five".