611245111456 has 96 divisors (see below), whose sum is σ = 1415715840000. Its totient is φ = 254337221376.

The previous prime is 611245111429. The next prime is 611245111459. The reversal of 611245111456 is 654111542116.

It is not an unprimeable number, because it can be changed into a prime (611245111459) 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, 1418545 + ... + 1798543.

It is an arithmetic number, because the mean of its divisors is an integer number (14747040000).

Almost surely, 2^611245111456 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 611245111456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (707857920000).

611245111456 is an abundant number, since it is smaller than the sum of its proper divisors (804470728544).

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

611245111456 is a wasteful number, since it uses less digits than its factorization.

611245111456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380226 (or 380218 counting only the distinct ones).

The product of its digits is 28800, while the sum is 37.

The spelling of 611245111456 in words is "six hundred eleven billion, two hundred forty-five million, one hundred eleven thousand, four hundred fifty-six".