561350503140 has 192 divisors, whose sum is σ = 1846783131648. Its totient is φ = 124711488000.

The previous prime is 561350503139. The next prime is 561350503141. The reversal of 561350503140 is 41305053165.

It is an interprime number because it is at equal distance from previous prime (561350503139) and next prime (561350503141).

It is a super-2 number, since 2×561350503140² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (561350503141) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 15381915 + ... + 15418365.

It is an arithmetic number, because the mean of its divisors is an integer number (9618662144).

Almost surely, 2^561350503140 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 561350503140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (923391565824).

561350503140 is an abundant number, since it is smaller than the sum of its proper divisors (1285432628508).

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

561350503140 is a wasteful number, since it uses less digits than its factorization.

561350503140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37498 (or 37496 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 33.

The spelling of 561350503140 in words is "five hundred sixty-one billion, three hundred fifty million, five hundred three thousand, one hundred forty".