131404352521155 has 128 divisors (see below), whose sum is σ = 264962396160000. Its totient is φ = 54251046839808.

The previous prime is 131404352521147. The next prime is 131404352521201. The reversal of 131404352521155 is 551125253404131.

It is not a de Polignac number, because 131404352521155 - 2³ = 131404352521147 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 9804585 + ... + 18945674.

It is an arithmetic number, because the mean of its divisors is an integer number (2070018720000).

Almost surely, 2^{131404352521155} is an apocalyptic number.

131404352521155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

131404352521155 is an abundant number, since it is smaller than the sum of its proper divisors (133558043638845).

131404352521155 is a wasteful number, since it uses less digits than its factorization.

131404352521155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28750401.

The product of its (nonzero) digits is 360000, while the sum is 42.

The spelling of 131404352521155 in words is "one hundred thirty-one trillion, four hundred four billion, three hundred fifty-two million, five hundred twenty-one thousand, one hundred fifty-five".