1355555666675 has 24 divisors (see below), whose sum is σ = 1923350397696. Its totient is φ = 928394353440.

The previous prime is 1355555666671. The next prime is 1355555666719. The reversal of 1355555666675 is 5766665555531.

It is not a de Polignac number, because 1355555666675 - 2² = 1355555666671 is a prime.

It is a Smith number, since the sum of its digits (65) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (1355555666671) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4561949 + ... + 4849998.

It is an arithmetic number, because the mean of its divisors is an integer number (80139599904).

Almost surely, 2^{1355555666675} is an apocalyptic number.

1355555666675 is a deficient number, since it is larger than the sum of its proper divisors (567794731021).

1355555666675 is an equidigital number, since it uses as much as digits as its factorization.

1355555666675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9412787 (or 9412782 counting only the distinct ones).

The product of its digits is 425250000, while the sum is 65.

The spelling of 1355555666675 in words is "one trillion, three hundred fifty-five billion, five hundred fifty-five million, six hundred sixty-six thousand, six hundred seventy-five".