611078673600 has 378 divisors, whose sum is σ = 2249438729460. Its totient is φ = 157332080640.

The previous prime is 611078673577. The next prime is 611078673619. The reversal of 611078673600 is 6376870116.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 12085171 + ... + 12135629.

Almost surely, 2^611078673600 is an apocalyptic number.

611078673600 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 611078673600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1124719364730).

611078673600 is an abundant number, since it is smaller than the sum of its proper divisors (1638360055860).

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

611078673600 is a wasteful number, since it uses less digits than its factorization.

611078673600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50545 (or 50498 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The spelling of 611078673600 in words is "six hundred eleven billion, seventy-eight million, six hundred seventy-three thousand, six hundred".