131045251543205 has 16 divisors (see below), whose sum is σ = 157316247601920. Its totient is φ = 104794905745728.

The previous prime is 131045251543201. The next prime is 131045251543207. The reversal of 131045251543205 is 502345152540131.

It is a cyclic number.

It is not a de Polignac number, because 131045251543205 - 2² = 131045251543201 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131045251543201) 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, 975458219 + ... + 975592551.

It is an arithmetic number, because the mean of its divisors is an integer number (9832265475120).

Almost surely, 2^{131045251543205} is an apocalyptic number.

It is an amenable number.

131045251543205 is a deficient number, since it is larger than the sum of its proper divisors (26270996058715).

131045251543205 is a wasteful number, since it uses less digits than its factorization.

131045251543205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209740.

The product of its (nonzero) digits is 360000, while the sum is 41.

The spelling of 131045251543205 in words is "one hundred thirty-one trillion, forty-five billion, two hundred fifty-one million, five hundred forty-three thousand, two hundred five".