1355203223602 has 4 divisors (see below), whose sum is σ = 2032804835406. Its totient is φ = 677601611800.

The previous prime is 1355203223593. The next prime is 1355203223681. The reversal of 1355203223602 is 2063223025531.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1161866254201 + 193336969401 = 1077899^2 + 439701^2 .

It is a super-2 number, since 2×1355203223602² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 338800805899 + ... + 338800805902.

Almost surely, 2^{1355203223602} is an apocalyptic number.

1355203223602 is a deficient number, since it is larger than the sum of its proper divisors (677601611804).

1355203223602 is an equidigital number, since it uses as much as digits as its factorization.

1355203223602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 677601611803.

The product of its (nonzero) digits is 64800, while the sum is 34.

The spelling of 1355203223602 in words is "one trillion, three hundred fifty-five billion, two hundred three million, two hundred twenty-three thousand, six hundred two".