75555825505 has 16 divisors (see below), whose sum is σ = 95445792000. Its totient is φ = 57259249920.

The previous prime is 75555825481. The next prime is 75555825509. The reversal of 75555825505 is 50552855557.

It is not a de Polignac number, because 75555825505 - 2⁷ = 75555825377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (75555825509) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2268120 + ... + 2301190.

It is an arithmetic number, because the mean of its divisors is an integer number (5965362000).

Almost surely, 2^75555825505 is an apocalyptic number.

It is an amenable number.

75555825505 is a deficient number, since it is larger than the sum of its proper divisors (19889966495).

75555825505 is a wasteful number, since it uses less digits than its factorization.

75555825505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57144.

The product of its (nonzero) digits is 8750000, while the sum is 52.

The spelling of 75555825505 in words is "seventy-five billion, five hundred fifty-five million, eight hundred twenty-five thousand, five hundred five".