611545016426444 has 24 divisors (see below), whose sum is σ = 1078632786997248. Its totient is φ = 303364229994000.

The previous prime is 611545016426441. The next prime is 611545016426453. The reversal of 611545016426444 is 444624610545116.

It is not an unprimeable number, because it can be changed into a prime (611545016426441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 340608137 + ... + 342398879.

It is an arithmetic number, because the mean of its divisors is an integer number (44943032791552).

Almost surely, 2^{611545016426444} is an apocalyptic number.

It is an amenable number.

611545016426444 is a deficient number, since it is larger than the sum of its proper divisors (467087770570804).

611545016426444 is a wasteful number, since it uses less digits than its factorization.

611545016426444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2463125 (or 2463123 counting only the distinct ones).

The product of its (nonzero) digits is 11059200, while the sum is 53.

The spelling of 611545016426444 in words is "six hundred eleven trillion, five hundred forty-five billion, sixteen million, four hundred twenty-six thousand, four hundred forty-four".