184131507121 has 2 divisors, whose sum is σ = 184131507122. Its totient is φ = 184131507120.

The previous prime is 184131507113. The next prime is 184131507143. The reversal of 184131507121 is 121705131481.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 176685715600 + 7445791521 = 420340^2 + 86289^2 .

It is a cyclic number.

It is not a de Polignac number, because 184131507121 - 2³ = 184131507113 is a prime.

It is not a weakly prime, because it can be changed into another prime (184131507101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 92065753560 + 92065753561.

It is an arithmetic number, because the mean of its divisors is an integer number (92065753561).

Almost surely, 2^184131507121 is an apocalyptic number.

It is an amenable number.

184131507121 is a deficient number, since it is larger than the sum of its proper divisors (1).

184131507121 is an equidigital number, since it uses as much as digits as its factorization.

184131507121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6720, while the sum is 34.

The spelling of 184131507121 in words is "one hundred eighty-four billion, one hundred thirty-one million, five hundred seven thousand, one hundred twenty-one".