611136006440000 has 140 divisors (see below), whose sum is σ = 1515443507143500. Its totient is φ = 244450397184000.

The previous prime is 611136006439999. The next prime is 611136006440059. The reversal of 611136006440000 is 44600631116.

It can be written as a sum of positive squares in 10 ways, for example, as 442220859786304 + 168915146653696 = 21029048^2 + 12996736^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4217887556 + ... + 4218032444.

Almost surely, 2^{611136006440000} is an apocalyptic number.

It is an amenable number.

611136006440000 is an abundant number, since it is smaller than the sum of its proper divisors (904307500703500).

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

611136006440000 is a wasteful number, since it uses less digits than its factorization.

611136006440000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250370 (or 250345 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The spelling of 611136006440000 in words is "six hundred eleven trillion, one hundred thirty-six billion, six million, four hundred forty thousand".