3570012225581 has 2 divisors, whose sum is σ = 3570012225582. Its totient is φ = 3570012225580.

The previous prime is 3570012225557. The next prime is 3570012225589. The reversal of 3570012225581 is 1855222100753.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3536904603556 + 33107622025 = 1880666^2 + 181955^2 .

It is a cyclic number.

It is not a de Polignac number, because 3570012225581 - 2⁶ = 3570012225517 is a prime.

It is a super-2 number, since 2×3570012225581² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3570012225589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1785006112790 + 1785006112791.

It is an arithmetic number, because the mean of its divisors is an integer number (1785006112791).

Almost surely, 2^{3570012225581} is an apocalyptic number.

It is an amenable number.

3570012225581 is a deficient number, since it is larger than the sum of its proper divisors (1).

3570012225581 is an equidigital number, since it uses as much as digits as its factorization.

3570012225581 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 168000, while the sum is 41.

The spelling of 3570012225581 in words is "three trillion, five hundred seventy billion, twelve million, two hundred twenty-five thousand, five hundred eighty-one".