611221617084801 has 8 divisors (see below), whose sum is σ = 821379180964864. Its totient is φ = 404272565630640.

The previous prime is 611221617084797. The next prime is 611221617084811. The reversal of 611221617084801 is 108480716122116.

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

It is not a de Polignac number, because 611221617084801 - 2² = 611221617084797 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (611221617084811) 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, 802128106030 + ... + 802128106791.

It is an arithmetic number, because the mean of its divisors is an integer number (102672397620608).

Almost surely, 2^{611221617084801} is an apocalyptic number.

It is an amenable number.

611221617084801 is a deficient number, since it is larger than the sum of its proper divisors (210157563880063).

611221617084801 is a wasteful number, since it uses less digits than its factorization.

611221617084801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1604256212951.

The product of its (nonzero) digits is 258048, while the sum is 48.

The spelling of 611221617084801 in words is "six hundred eleven trillion, two hundred twenty-one billion, six hundred seventeen million, eighty-four thousand, eight hundred one".