255555527504 has 10 divisors (see below), whose sum is σ = 495138834570. Its totient is φ = 127777763744.

The previous prime is 255555527477. The next prime is 255555527509. The reversal of 255555527504 is 405725555552.

It can be written as a sum of positive squares in only one way, i.e., 208162237504 + 47393290000 = 456248^2 + 217700^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255555527509) 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, 7986110219 + ... + 7986110250.

It is an arithmetic number, because the mean of its divisors is an integer number (49513883457).

Almost surely, 2^255555527504 is an apocalyptic number.

It is an amenable number.

255555527504 is a deficient number, since it is larger than the sum of its proper divisors (239583307066).

255555527504 is a wasteful number, since it uses less digits than its factorization.

255555527504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15972220477 (or 15972220471 counting only the distinct ones).

The product of its (nonzero) digits is 8750000, while the sum is 50.

The spelling of 255555527504 in words is "two hundred fifty-five billion, five hundred fifty-five million, five hundred twenty-seven thousand, five hundred four".