131154201350521 has 16 divisors (see below), whose sum is σ = 139007159107200. Its totient is φ = 123396678288000.

The previous prime is 131154201350509. The next prime is 131154201350573. The reversal of 131154201350521 is 125053102451131.

It is a cyclic number.

It is not a de Polignac number, because 131154201350521 - 2¹⁷ = 131154201219449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131154201350021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5245095 + ... + 17024083.

It is an arithmetic number, because the mean of its divisors is an integer number (8687947444200).

Almost surely, 2^{131154201350521} is an apocalyptic number.

It is an amenable number.

131154201350521 is a deficient number, since it is larger than the sum of its proper divisors (7852957756679).

131154201350521 is a wasteful number, since it uses less digits than its factorization.

131154201350521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11783040.

The product of its (nonzero) digits is 18000, while the sum is 34.

The spelling of 131154201350521 in words is "one hundred thirty-one trillion, one hundred fifty-four billion, two hundred one million, three hundred fifty thousand, five hundred twenty-one".