118156620377 has 2 divisors, whose sum is σ = 118156620378. Its totient is φ = 118156620376.

The previous prime is 118156620347. The next prime is 118156620427. The reversal of 118156620377 is 773026651811.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 111441801241 + 6714819136 = 333829^2 + 81944^2 .

It is an emirp because it is prime and its reverse (773026651811) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 118156620377 - 2⁸ = 118156620121 is a prime.

It is not a weakly prime, because it can be changed into another prime (118156620317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59078310188 + 59078310189.

It is an arithmetic number, because the mean of its divisors is an integer number (59078310189).

Almost surely, 2^118156620377 is an apocalyptic number.

It is an amenable number.

118156620377 is a deficient number, since it is larger than the sum of its proper divisors (1).

118156620377 is an equidigital number, since it uses as much as digits as its factorization.

118156620377 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 423360, while the sum is 47.

The spelling of 118156620377 in words is "one hundred eighteen billion, one hundred fifty-six million, six hundred twenty thousand, three hundred seventy-seven".