131115463421547 has 32 divisors (see below), whose sum is σ = 191089810448640. Its totient is φ = 79307116848000.

The previous prime is 131115463421489. The next prime is 131115463421581. The reversal of 131115463421547 is 745124364511131.

It is not a de Polignac number, because 131115463421547 - 2³² = 131111168454251 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131115463421496 and 131115463421505.

It is not an unprimeable number, because it can be changed into a prime (131115463420547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 143600772 + ... + 144510942.

It is an arithmetic number, because the mean of its divisors is an integer number (5971556576520).

Almost surely, 2^{131115463421547} is an apocalyptic number.

131115463421547 is a deficient number, since it is larger than the sum of its proper divisors (59974347027093).

131115463421547 is a wasteful number, since it uses less digits than its factorization.

131115463421547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 918795.

The product of its digits is 1209600, while the sum is 48.

The spelling of 131115463421547 in words is "one hundred thirty-one trillion, one hundred fifteen billion, four hundred sixty-three million, four hundred twenty-one thousand, five hundred forty-seven".