6842000131521 has 8 divisors (see below), whose sum is σ = 9122731212000. Its totient is φ = 4561301236032.

The previous prime is 6842000131489. The next prime is 6842000131523. The reversal of 6842000131521 is 1251310002486.

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

It is not a de Polignac number, because 6842000131521 - 2⁵ = 6842000131489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6842000131523) 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, 7545771 + ... + 8403728.

It is an arithmetic number, because the mean of its divisors is an integer number (1140341401500).

Almost surely, 2^{6842000131521} is an apocalyptic number.

It is an amenable number.

6842000131521 is a deficient number, since it is larger than the sum of its proper divisors (2280731080479).

6842000131521 is a wasteful number, since it uses less digits than its factorization.

6842000131521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16092495.

The product of its (nonzero) digits is 11520, while the sum is 33.

The spelling of 6842000131521 in words is "six trillion, eight hundred forty-two billion, one hundred thirty-one thousand, five hundred twenty-one".