16231122113261 has 8 divisors (see below), whose sum is σ = 17707237144704. Its totient is φ = 14755100161120.

The previous prime is 16231122113237. The next prime is 16231122113287.

16231122113261 is nontrivially palindromic in base 10.

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

It is not a de Polignac number, because 16231122113261 - 2²² = 16231117918957 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 (16231122113291) 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, 22904960 + ... + 23602953.

It is an arithmetic number, because the mean of its divisors is an integer number (2213404643088).

Almost surely, 2^{16231122113261} is an apocalyptic number.

16231122113261 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

16231122113261 is a deficient number, since it is larger than the sum of its proper divisors (1476115031443).

16231122113261 is a wasteful number, since it uses less digits than its factorization.

16231122113261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46539651.

The product of its digits is 5184, while the sum is 32.

It can be divided in two parts, 1623112 and 2113261, that added together give a palindrome (3736373).

The spelling of 16231122113261 in words is "sixteen trillion, two hundred thirty-one billion, one hundred twenty-two million, one hundred thirteen thousand, two hundred sixty-one".