131506075855 has 32 divisors (see below), whose sum is σ = 198694798848. Its totient is φ = 81166128000.

The previous prime is 131506075829. The next prime is 131506075861. The reversal of 131506075855 is 558570605131.

It is not a de Polignac number, because 131506075855 - 2¹⁵ = 131506043087 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1652077 + ... + 1729846.

It is an arithmetic number, because the mean of its divisors is an integer number (6209212464).

Almost surely, 2^131506075855 is an apocalyptic number.

131506075855 is a deficient number, since it is larger than the sum of its proper divisors (67188722993).

131506075855 is a wasteful number, since it uses less digits than its factorization.

131506075855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3382047.

The product of its (nonzero) digits is 630000, while the sum is 46.

The spelling of 131506075855 in words is "one hundred thirty-one billion, five hundred six million, seventy-five thousand, eight hundred fifty-five".