611221617084804 has 48 divisors (see below), whose sum is σ = 1556464957701696. Its totient is φ = 185143896342400.

The previous prime is 611221617084797. The next prime is 611221617084811. The reversal of 611221617084804 is 408480716122116.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (611221617084797) and next prime (611221617084811).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 934365567 + ... + 935019494.

It is an arithmetic number, because the mean of its divisors is an integer number (32426353285452).

Almost surely, 2^{611221617084804} is an apocalyptic number.

It is an amenable number.

611221617084804 is an abundant number, since it is smaller than the sum of its proper divisors (945243340616892).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

611221617084804 is a wasteful number, since it uses less digits than its factorization.

611221617084804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1869387556 (or 1869387554 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 51.

The spelling of 611221617084804 in words is "six hundred eleven trillion, two hundred twenty-one billion, six hundred seventeen million, eighty-four thousand, eight hundred four".