6118507401257 has 2 divisors, whose sum is σ = 6118507401258. Its totient is φ = 6118507401256.

The previous prime is 6118507401187. The next prime is 6118507401323. The reversal of 6118507401257 is 7521047058116.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5364833396521 + 753674004736 = 2316211^2 + 868144^2 .

It is a cyclic number.

It is not a de Polignac number, because 6118507401257 - 2³⁰ = 6117433659433 is a prime.

It is a super-2 number, since 2×6118507401257² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6118507403257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3059253700628 + 3059253700629.

It is an arithmetic number, because the mean of its divisors is an integer number (3059253700629).

Almost surely, 2^{6118507401257} is an apocalyptic number.

It is an amenable number.

6118507401257 is a deficient number, since it is larger than the sum of its proper divisors (1).

6118507401257 is an equidigital number, since it uses as much as digits as its factorization.

6118507401257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 470400, while the sum is 47.

The spelling of 6118507401257 in words is "six trillion, one hundred eighteen billion, five hundred seven million, four hundred one thousand, two hundred fifty-seven".