131575164547 has 2 divisors, whose sum is σ = 131575164548. Its totient is φ = 131575164546.

The previous prime is 131575164517. The next prime is 131575164551. The reversal of 131575164547 is 745461575131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131575164547 - 2²³ = 131566775939 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 131575164547.

It is not a weakly prime, because it can be changed into another prime (131575164517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65787582273 + 65787582274.

It is an arithmetic number, because the mean of its divisors is an integer number (65787582274).

Almost surely, 2^131575164547 is an apocalyptic number.

131575164547 is a deficient number, since it is larger than the sum of its proper divisors (1).

131575164547 is an equidigital number, since it uses as much as digits as its factorization.

131575164547 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1764000, while the sum is 49.

The spelling of 131575164547 in words is "one hundred thirty-one billion, five hundred seventy-five million, one hundred sixty-four thousand, five hundred forty-seven".