1355556351066 has 48 divisors (see below), whose sum is σ = 2825108834688. Its totient is φ = 433359342400.

The previous prime is 1355556351013. The next prime is 1355556351073. The reversal of 1355556351066 is 6601536555531.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 64831 + ... + 1647821.

It is an arithmetic number, because the mean of its divisors is an integer number (58856434056).

Almost surely, 2^{1355556351066} is an apocalyptic number.

1355556351066 is an abundant number, since it is smaller than the sum of its proper divisors (1469552483622).

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

1355556351066 is a wasteful number, since it uses less digits than its factorization.

1355556351066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1583155 (or 1583096 counting only the distinct ones).

The product of its (nonzero) digits is 6075000, while the sum is 51.

The spelling of 1355556351066 in words is "one trillion, three hundred fifty-five billion, five hundred fifty-six million, three hundred fifty-one thousand, sixty-six".