1655255135266 has 4 divisors (see below), whose sum is σ = 2482882702902. Its totient is φ = 827627567632.

The previous prime is 1655255135263. The next prime is 1655255135267. The reversal of 1655255135266 is 6625315525561.

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., 1360057426225 + 295197709041 = 1166215^2 + 543321^2 .

It is not an unprimeable number, because it can be changed into a prime (1655255135263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 413813783815 + ... + 413813783818.

Almost surely, 2^{1655255135266} is an apocalyptic number.

1655255135266 is a deficient number, since it is larger than the sum of its proper divisors (827627567636).

1655255135266 is an equidigital number, since it uses as much as digits as its factorization.

1655255135266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 827627567635.

The product of its digits is 8100000, while the sum is 52.

The spelling of 1655255135266 in words is "one trillion, six hundred fifty-five billion, two hundred fifty-five million, one hundred thirty-five thousand, two hundred sixty-six".