118123253057 has 2 divisors, whose sum is σ = 118123253058. Its totient is φ = 118123253056.

The previous prime is 118123252993. The next prime is 118123253063. The reversal of 118123253057 is 750352321811.

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., 77364084736 + 40759168321 = 278144^2 + 201889^2 .

It is an emirp because it is prime and its reverse (750352321811) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 118123253057 - 2⁶ = 118123252993 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 118123253057.

It is not a weakly prime, because it can be changed into another prime (118123253077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59061626528 + 59061626529.

It is an arithmetic number, because the mean of its divisors is an integer number (59061626529).

Almost surely, 2^118123253057 is an apocalyptic number.

It is an amenable number.

118123253057 is a deficient number, since it is larger than the sum of its proper divisors (1).

118123253057 is an equidigital number, since it uses as much as digits as its factorization.

118123253057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 50400, while the sum is 38.

Adding to 118123253057 its reverse (750352321811), we get a palindrome (868475574868).

The spelling of 118123253057 in words is "one hundred eighteen billion, one hundred twenty-three million, two hundred fifty-three thousand, fifty-seven".