131120155354521 has 8 divisors (see below), whose sum is σ = 180466450380544. Its totient is φ = 84593648615760.

The previous prime is 131120155354501. The next prime is 131120155354553. The reversal of 131120155354521 is 125453551021131.

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

It is not a de Polignac number, because 131120155354521 - 2⁷ = 131120155354393 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 131120155354521.

It is not an unprimeable number, because it can be changed into a prime (131120155354501) 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, 704947071706 + ... + 704947071891.

It is an arithmetic number, because the mean of its divisors is an integer number (22558306297568).

Almost surely, 2^{131120155354521} is an apocalyptic number.

It is an amenable number.

131120155354521 is a deficient number, since it is larger than the sum of its proper divisors (49346295026023).

131120155354521 is a wasteful number, since it uses less digits than its factorization.

131120155354521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1409894143631.

The product of its (nonzero) digits is 90000, while the sum is 39.

The spelling of 131120155354521 in words is "one hundred thirty-one trillion, one hundred twenty billion, one hundred fifty-five million, three hundred fifty-four thousand, five hundred twenty-one".