131333452445555 has 4 divisors (see below), whose sum is σ = 157600142934672. Its totient is φ = 105066761956440.

The previous prime is 131333452445551. The next prime is 131333452445579. The reversal of 131333452445555 is 555544254333131.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 131333452445555 - 2² = 131333452445551 is a prime.

It is a super-2 number, since 2×131333452445555² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131333452445497 and 131333452445506.

It is not an unprimeable number, because it can be changed into a prime (131333452445551) 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 3 ways as a sum of consecutive naturals, for example, 13133345244551 + ... + 13133345244560.

It is an arithmetic number, because the mean of its divisors is an integer number (39400035733668).

Almost surely, 2^{131333452445555} is an apocalyptic number.

131333452445555 is a deficient number, since it is larger than the sum of its proper divisors (26266690489117).

131333452445555 is an equidigital number, since it uses as much as digits as its factorization.

131333452445555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26266690489116.

The product of its digits is 32400000, while the sum is 53.

The spelling of 131333452445555 in words is "one hundred thirty-one trillion, three hundred thirty-three billion, four hundred fifty-two million, four hundred forty-five thousand, five hundred fifty-five".