16131235535351 has 4 divisors (see below), whose sum is σ = 16687485036600. Its totient is φ = 15574986034104.

The previous prime is 16131235535347. The next prime is 16131235535357. The reversal of 16131235535351 is 15353553213161.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 16131235535351 - 2² = 16131235535347 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16131235535357) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 278124750581 + ... + 278124750638.

It is an arithmetic number, because the mean of its divisors is an integer number (4171871259150).

Almost surely, 2^{16131235535351} is an apocalyptic number.

16131235535351 is a deficient number, since it is larger than the sum of its proper divisors (556249501249).

16131235535351 is an equidigital number, since it uses as much as digits as its factorization.

16131235535351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556249501248.

The product of its digits is 607500, while the sum is 44.

The spelling of 16131235535351 in words is "sixteen trillion, one hundred thirty-one billion, two hundred thirty-five million, five hundred thirty-five thousand, three hundred fifty-one".