131554565003601 has 24 divisors (see below), whose sum is σ = 199509753780480. Its totient is φ = 83414937757536.

The previous prime is 131554565003531. The next prime is 131554565003611. The reversal of 131554565003601 is 106300565455131.

131554565003601 is a `hidden beast` number, since 1 + 3 + 1 + 5 + 54 + 565 + 0 + 0 + 36 + 0 + 1 = 666.

It is not a de Polignac number, because 131554565003601 - 2¹³ = 131554564995409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131554565003611) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3761478625 + ... + 3761513598.

It is an arithmetic number, because the mean of its divisors is an integer number (8312906407520).

Almost surely, 2^{131554565003601} is an apocalyptic number.

It is an amenable number.

131554565003601 is a deficient number, since it is larger than the sum of its proper divisors (67955188776879).

131554565003601 is a wasteful number, since it uses less digits than its factorization.

131554565003601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7522992325 (or 7522992322 counting only the distinct ones).

The product of its (nonzero) digits is 810000, while the sum is 45.

The spelling of 131554565003601 in words is "one hundred thirty-one trillion, five hundred fifty-four billion, five hundred sixty-five million, three thousand, six hundred one".