61041784488 has 16 divisors (see below), whose sum is σ = 152604461280. Its totient is φ = 20347261488.

The previous prime is 61041784487. The next prime is 61041784493. The reversal of 61041784488 is 88448714016.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 61041784488.

It is not an unprimeable number, because it can be changed into a prime (61041784487) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1271703820 + ... + 1271703867.

It is an arithmetic number, because the mean of its divisors is an integer number (9537778830).

Almost surely, 2^61041784488 is an apocalyptic number.

It is an amenable number.

61041784488 is an abundant number, since it is smaller than the sum of its proper divisors (91562676792).

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

61041784488 is a wasteful number, since it uses less digits than its factorization.

61041784488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2543407696 (or 2543407692 counting only the distinct ones).

The product of its (nonzero) digits is 1376256, while the sum is 51.

The spelling of 61041784488 in words is "sixty-one billion, forty-one million, seven hundred eighty-four thousand, four hundred eighty-eight".