1355661223364 has 12 divisors (see below), whose sum is σ = 2711322446784. Its totient is φ = 580997667144.

The previous prime is 1355661223327. The next prime is 1355661223379. The reversal of 1355661223364 is 4633221665531.

1355661223364 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24208236104 + ... + 24208236159.

It is an arithmetic number, because the mean of its divisors is an integer number (225943537232).

Almost surely, 2^{1355661223364} is an apocalyptic number.

1355661223364 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1355661223364 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1355661223364 is a wasteful number, since it uses less digits than its factorization.

1355661223364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48416472274 (or 48416472272 counting only the distinct ones).

The product of its digits is 2332800, while the sum is 47.

Adding to 1355661223364 its reverse (4633221665531), we get a palindrome (5988882888895).

The spelling of 1355661223364 in words is "one trillion, three hundred fifty-five billion, six hundred sixty-one million, two hundred twenty-three thousand, three hundred sixty-four".