111452574343129 has 2 divisors, whose sum is σ = 111452574343130. Its totient is φ = 111452574343128.

The previous prime is 111452574343127. The next prime is 111452574343223. The reversal of 111452574343129 is 921343475254111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69517624824729 + 41934949518400 = 8337723^2 + 6475720^2 .

It is a cyclic number.

It is not a de Polignac number, because 111452574343129 - 2¹ = 111452574343127 is a prime.

Together with 111452574343127, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (111452574343127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55726287171564 + 55726287171565.

It is an arithmetic number, because the mean of its divisors is an integer number (55726287171565).

Almost surely, 2^{111452574343129} is an apocalyptic number.

It is an amenable number.

111452574343129 is a deficient number, since it is larger than the sum of its proper divisors (1).

111452574343129 is an equidigital number, since it uses as much as digits as its factorization.

111452574343129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3628800, while the sum is 52.

The spelling of 111452574343129 in words is "one hundred eleven trillion, four hundred fifty-two billion, five hundred seventy-four million, three hundred forty-three thousand, one hundred twenty-nine".