1371568117057 has 2 divisors, whose sum is σ = 1371568117058. Its totient is φ = 1371568117056.

The previous prime is 1371568117043. The next prime is 1371568117069. The reversal of 1371568117057 is 7507118651731.

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., 1241172018241 + 130396098816 = 1114079^2 + 361104^2 .

It is a cyclic number.

It is not a de Polignac number, because 1371568117057 - 2³¹ = 1369420633409 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1371568116995 and 1371568117013.

It is not a weakly prime, because it can be changed into another prime (1371568117037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 685784058528 + 685784058529.

It is an arithmetic number, because the mean of its divisors is an integer number (685784058529).

Almost surely, 2^{1371568117057} is an apocalyptic number.

It is an amenable number.

1371568117057 is a deficient number, since it is larger than the sum of its proper divisors (1).

1371568117057 is an equidigital number, since it uses as much as digits as its factorization.

1371568117057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1234800, while the sum is 52.

The spelling of 1371568117057 in words is "one trillion, three hundred seventy-one billion, five hundred sixty-eight million, one hundred seventeen thousand, fifty-seven".