213562511366356 has 6 divisors (see below), whose sum is σ = 373734394891130. Its totient is φ = 106781255683176.

The previous prime is 213562511366341. The next prime is 213562511366417. The reversal of 213562511366356 is 653663115265312.

It can be written as a sum of positive squares in only one way, i.e., 108170400250000 + 105392111116356 = 10400500^2 + 10266066^2 .

It is a super-2 number, since 2×213562511366356² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 213562511366297 and 213562511366306.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26695313920791 + ... + 26695313920798.

Almost surely, 2^{213562511366356} is an apocalyptic number.

It is an amenable number.

213562511366356 is a deficient number, since it is larger than the sum of its proper divisors (160171883524774).

213562511366356 is a wasteful number, since it uses less digits than its factorization.

213562511366356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53390627841593 (or 53390627841591 counting only the distinct ones).

The product of its digits is 17496000, while the sum is 55.

The spelling of 213562511366356 in words is "two hundred thirteen trillion, five hundred sixty-two billion, five hundred eleven million, three hundred sixty-six thousand, three hundred fifty-six".