255561265702 has 16 divisors (see below), whose sum is σ = 401338430640. Its totient is φ = 121887963232.

The previous prime is 255561265699. The next prime is 255561265703. The reversal of 255561265702 is 207562165552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255561265703) 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 in 7 ways as a sum of consecutive naturals, for example, 26538733 + ... + 26548360.

It is an arithmetic number, because the mean of its divisors is an integer number (25083651915).

Almost surely, 2^255561265702 is an apocalyptic number.

255561265702 is a deficient number, since it is larger than the sum of its proper divisors (145777164938).

255561265702 is a wasteful number, since it uses less digits than its factorization.

255561265702 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53087207.

The product of its (nonzero) digits is 1260000, while the sum is 46.

The spelling of 255561265702 in words is "two hundred fifty-five billion, five hundred sixty-one million, two hundred sixty-five thousand, seven hundred two".