75561212255066 has 16 divisors (see below), whose sum is σ = 114068178132480. Its totient is φ = 37538947833120.

The previous prime is 75561212255047. The next prime is 75561212255083. The reversal of 75561212255066 is 66055221216557.

75561212255066 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 75561212254999 and 75561212255017.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115077656 + ... + 115732403.

It is an arithmetic number, because the mean of its divisors is an integer number (7129261133280).

Almost surely, 2^{75561212255066} is an apocalyptic number.

75561212255066 is a deficient number, since it is larger than the sum of its proper divisors (38506965877414).

75561212255066 is a wasteful number, since it uses less digits than its factorization.

75561212255066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230811109.

The product of its (nonzero) digits is 7560000, while the sum is 53.

The spelling of 75561212255066 in words is "seventy-five trillion, five hundred sixty-one billion, two hundred twelve million, two hundred fifty-five thousand, sixty-six".