561141538032 has 80 divisors (see below), whose sum is σ = 1520145159840. Its totient is φ = 178123309056.

The previous prime is 561141538031. The next prime is 561141538043. The reversal of 561141538032 is 230835141165.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (561141538031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2659473 + ... + 2862704.

It is an arithmetic number, because the mean of its divisors is an integer number (19001814498).

Almost surely, 2^561141538032 is an apocalyptic number.

It is an amenable number.

561141538032 is an abundant number, since it is smaller than the sum of its proper divisors (959003621808).

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

561141538032 is a wasteful number, since it uses less digits than its factorization.

561141538032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5522290 (or 5522284 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 39.

Adding to 561141538032 its reverse (230835141165), we get a palindrome (791976679197).

The spelling of 561141538032 in words is "five hundred sixty-one billion, one hundred forty-one million, five hundred thirty-eight thousand, thirty-two".