1355223343015 has 64 divisors (see below), whose sum is σ = 1702742446080. Its totient is φ = 1034767319040.

The previous prime is 1355223342953. The next prime is 1355223343021. The reversal of 1355223343015 is 5103433225531.

It is not a de Polignac number, because 1355223343015 - 2⁹ = 1355223342503 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 798598647 + ... + 798600343.

It is an arithmetic number, because the mean of its divisors is an integer number (26605350720).

Almost surely, 2^{1355223343015} is an apocalyptic number.

1355223343015 is a deficient number, since it is larger than the sum of its proper divisors (347519103065).

1355223343015 is a wasteful number, since it uses less digits than its factorization.

1355223343015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2332.

The product of its (nonzero) digits is 162000, while the sum is 37.

Adding to 1355223343015 its reverse (5103433225531), we get a palindrome (6458656568546).

The spelling of 1355223343015 in words is "one trillion, three hundred fifty-five billion, two hundred twenty-three million, three hundred forty-three thousand, fifteen".