131265046116535 has 4 divisors (see below), whose sum is σ = 157518055339848. Its totient is φ = 105012036893224.

The previous prime is 131265046116493. The next prime is 131265046116587. The reversal of 131265046116535 is 535611640562131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 131265046116535 - 2¹⁵ = 131265046083767 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13126504611649 + ... + 13126504611658.

It is an arithmetic number, because the mean of its divisors is an integer number (39379513834962).

Almost surely, 2^{131265046116535} is an apocalyptic number.

131265046116535 is a deficient number, since it is larger than the sum of its proper divisors (26253009223313).

131265046116535 is an equidigital number, since it uses as much as digits as its factorization.

131265046116535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26253009223312.

The product of its (nonzero) digits is 1944000, while the sum is 49.

Adding to 131265046116535 its reverse (535611640562131), we get a palindrome (666876686678666).

The spelling of 131265046116535 in words is "one hundred thirty-one trillion, two hundred sixty-five billion, forty-six million, one hundred sixteen thousand, five hundred thirty-five".