3557135342557 has 2 divisors, whose sum is σ = 3557135342558. Its totient is φ = 3557135342556.

The previous prime is 3557135342539. The next prime is 3557135342581. The reversal of 3557135342557 is 7552435317553.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3503406884121 + 53728458436 = 1871739^2 + 231794^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3557135342557 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3557135342498 and 3557135342507.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3557135342597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1778567671278 + 1778567671279.

It is an arithmetic number, because the mean of its divisors is an integer number (1778567671279).

Almost surely, 2^{3557135342557} is an apocalyptic number.

It is an amenable number.

3557135342557 is a deficient number, since it is larger than the sum of its proper divisors (1).

3557135342557 is an equidigital number, since it uses as much as digits as its factorization.

3557135342557 is an evil number, because the sum of its binary digits is even.

The product of its digits is 33075000, while the sum is 55.

The spelling of 3557135342557 in words is "three trillion, five hundred fifty-seven billion, one hundred thirty-five million, three hundred forty-two thousand, five hundred fifty-seven".