561181764362 has 8 divisors (see below), whose sum is σ = 841936208256. Its totient is φ = 280536361612.

The previous prime is 561181764337. The next prime is 561181764373. The reversal of 561181764362 is 263467181165.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 561181764362.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27247418 + ... + 27268005.

It is an arithmetic number, because the mean of its divisors is an integer number (105242026032).

Almost surely, 2^561181764362 is an apocalyptic number.

561181764362 is a deficient number, since it is larger than the sum of its proper divisors (280754443894).

561181764362 is a wasteful number, since it uses less digits than its factorization.

561181764362 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54520572.

The product of its digits is 1451520, while the sum is 50.

The spelling of 561181764362 in words is "five hundred sixty-one billion, one hundred eighty-one million, seven hundred sixty-four thousand, three hundred sixty-two".