611142378041227 has 8 divisors (see below), whose sum is σ = 611208767797760. Its totient is φ = 611075990361960.

The previous prime is 611142378041219. The next prime is 611142378041243. The reversal of 611142378041227 is 722140873241116.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 611142378041227 - 2³ = 611142378041219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (611142378041267) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 628972258 + ... + 629943160.

It is an arithmetic number, because the mean of its divisors is an integer number (76401095974720).

Almost surely, 2^{611142378041227} is an apocalyptic number.

611142378041227 is a deficient number, since it is larger than the sum of its proper divisors (66389756533).

611142378041227 is a wasteful number, since it uses less digits than its factorization.

611142378041227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1038633.

The product of its (nonzero) digits is 903168, while the sum is 49.

The spelling of 611142378041227 in words is "six hundred eleven trillion, one hundred forty-two billion, three hundred seventy-eight million, forty-one thousand, two hundred twenty-seven".