116611654129 has 2 divisors, whose sum is σ = 116611654130. Its totient is φ = 116611654128.

The previous prime is 116611654031. The next prime is 116611654151. The reversal of 116611654129 is 921456116611.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 116598346225 + 13307904 = 341465^2 + 3648^2 .

It is a cyclic number.

It is not a de Polignac number, because 116611654129 - 2³¹ = 114464170481 is a prime.

It is not a weakly prime, because it can be changed into another prime (116611654189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58305827064 + 58305827065.

It is an arithmetic number, because the mean of its divisors is an integer number (58305827065).

Almost surely, 2^116611654129 is an apocalyptic number.

It is an amenable number.

116611654129 is a deficient number, since it is larger than the sum of its proper divisors (1).

116611654129 is an equidigital number, since it uses as much as digits as its factorization.

116611654129 is an evil number, because the sum of its binary digits is even.

The product of its digits is 77760, while the sum is 43.

The spelling of 116611654129 in words is "one hundred sixteen billion, six hundred eleven million, six hundred fifty-four thousand, one hundred twenty-nine".