131225355121541 has 8 divisors (see below), whose sum is σ = 134282193633984. Its totient is φ = 128168747794080.

The previous prime is 131225355121529. The next prime is 131225355121603. The reversal of 131225355121541 is 145121553522131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131225355121541 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131225375121541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56647520 + ... + 58918521.

It is an arithmetic number, because the mean of its divisors is an integer number (16785274204248).

Almost surely, 2^{131225355121541} is an apocalyptic number.

It is an amenable number.

131225355121541 is a deficient number, since it is larger than the sum of its proper divisors (3056838512443).

131225355121541 is a wasteful number, since it uses less digits than its factorization.

131225355121541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115592491.

The product of its digits is 180000, while the sum is 41.

The spelling of 131225355121541 in words is "one hundred thirty-one trillion, two hundred twenty-five billion, three hundred fifty-five million, one hundred twenty-one thousand, five hundred forty-one".