11742434561129 has 2 divisors, whose sum is σ = 11742434561130. Its totient is φ = 11742434561128.

The previous prime is 11742434561083. The next prime is 11742434561149. The reversal of 11742434561129 is 92116543424711.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10591620543529 + 1150814017600 = 3254477^2 + 1072760^2 .

It is a cyclic number.

It is not a de Polignac number, because 11742434561129 - 2²⁰ = 11742433512553 is a prime.

It is not a weakly prime, because it can be changed into another prime (11742434561149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5871217280564 + 5871217280565.

It is an arithmetic number, because the mean of its divisors is an integer number (5871217280565).

Almost surely, 2^{11742434561129} is an apocalyptic number.

It is an amenable number.

11742434561129 is a deficient number, since it is larger than the sum of its proper divisors (1).

11742434561129 is an equidigital number, since it uses as much as digits as its factorization.

11742434561129 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1451520, while the sum is 50.

The spelling of 11742434561129 in words is "eleven trillion, seven hundred forty-two billion, four hundred thirty-four million, five hundred sixty-one thousand, one hundred twenty-nine".