10115397757 has 2 divisors, whose sum is σ = 10115397758. Its totient is φ = 10115397756.

The previous prime is 10115397737. The next prime is 10115397863. The reversal of 10115397757 is 75779351101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5058907876 + 5056489881 = 71126^2 + 71109^2 .

It is a cyclic number.

It is not a de Polignac number, because 10115397757 - 2⁷ = 10115397629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10115397737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5057698878 + 5057698879.

It is an arithmetic number, because the mean of its divisors is an integer number (5057698879).

Almost surely, 2^10115397757 is an apocalyptic number.

It is an amenable number.

10115397757 is a deficient number, since it is larger than the sum of its proper divisors (1).

10115397757 is an equidigital number, since it uses as much as digits as its factorization.

10115397757 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 231525, while the sum is 46.

The spelling of 10115397757 in words is "ten billion, one hundred fifteen million, three hundred ninety-seven thousand, seven hundred fifty-seven".