75575525778255 has 16 divisors (see below), whose sum is σ = 121439814818400. Its totient is φ = 40133955890688.

The previous prime is 75575525778241. The next prime is 75575525778281. The reversal of 75575525778255 is 55287752557557.

It is not a de Polignac number, because 75575525778255 - 2¹⁵ = 75575525745487 is a prime.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 10811945830 + ... + 10811952819.

It is an arithmetic number, because the mean of its divisors is an integer number (7589988426150).

Almost surely, 2^{75575525778255} is an apocalyptic number.

75575525778255 is a deficient number, since it is larger than the sum of its proper divisors (45864289040145).

75575525778255 is a wasteful number, since it uses less digits than its factorization.

75575525778255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21623898890.

The product of its digits is 6002500000, while the sum is 75.

The spelling of 75575525778255 in words is "seventy-five trillion, five hundred seventy-five billion, five hundred twenty-five million, seven hundred seventy-eight thousand, two hundred fifty-five".