611278796800 has 576 divisors, whose sum is σ = 1812408998400. Its totient is φ = 200038809600.

The previous prime is 611278796761. The next prime is 611278796803. The reversal of 611278796800 is 8697872116.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (611278796803) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1070540515 + ... + 1070541085.

It is an arithmetic number, because the mean of its divisors is an integer number (3146543400).

Almost surely, 2^611278796800 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 611278796800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (906204499200).

611278796800 is an abundant number, since it is smaller than the sum of its proper divisors (1201130201600).

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

611278796800 is a wasteful number, since it uses less digits than its factorization.

611278796800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 742 (or 717 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 55.

The spelling of 611278796800 in words is "six hundred eleven billion, two hundred seventy-eight million, seven hundred ninety-six thousand, eight hundred".