545220555555 has 32 divisors (see below), whose sum is σ = 939492993600. Its totient is φ = 268405977600.

The previous prime is 545220555499. The next prime is 545220555587. The reversal of 545220555555 is 555555022545.

It is not a de Polignac number, because 545220555555 - 2¹³ = 545220547363 is a prime.

545220555555 is a modest number, since divided by 555555 gives 545220 as remainder.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8685421 + ... + 8747969.

It is an arithmetic number, because the mean of its divisors is an integer number (29359156050).

Almost surely, 2^545220555555 is an apocalyptic number.

545220555555 is a deficient number, since it is larger than the sum of its proper divisors (394272438045).

545220555555 is a wasteful number, since it uses less digits than its factorization.

545220555555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107271.

The product of its (nonzero) digits is 6250000, while the sum is 48.

The spelling of 545220555555 in words is "five hundred forty-five billion, two hundred twenty million, five hundred fifty-five thousand, five hundred fifty-five".