611545016426443 has 16 divisors (see below), whose sum is σ = 709132122559584. Its totient is φ = 521211092008960.

The previous prime is 611545016426441. The next prime is 611545016426453. The reversal of 611545016426443 is 344624610545116.

It is a cyclic number.

It is not a de Polignac number, because 611545016426443 - 2¹ = 611545016426441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (611545016426441) 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, 6362392030 + ... + 6362488147.

It is an arithmetic number, because the mean of its divisors is an integer number (44320757659974).

Almost surely, 2^{611545016426443} is an apocalyptic number.

611545016426443 is a deficient number, since it is larger than the sum of its proper divisors (97587106133141).

611545016426443 is a wasteful number, since it uses less digits than its factorization.

611545016426443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12724880462.

The product of its (nonzero) digits is 8294400, while the sum is 52.

The spelling of 611545016426443 in words is "six hundred eleven trillion, five hundred forty-five billion, sixteen million, four hundred twenty-six thousand, four hundred forty-three".