441054501561 has 24 divisors (see below), whose sum is σ = 672436552320. Its totient is φ = 277801677216.

The previous prime is 441054501541. The next prime is 441054501581. The reversal of 441054501561 is 165105450144.

441054501561 is a `hidden beast` number, since 4 + 41 + 0 + 5 + 4 + 50 + 1 + 561 = 666.

It is an interprime number because it is at equal distance from previous prime (441054501541) and next prime (441054501581).

It is not a de Polignac number, because 441054501561 - 2¹⁵ = 441054468793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (441054501541) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3451230 + ... + 3576743.

It is an arithmetic number, because the mean of its divisors is an integer number (28018189680).

Almost surely, 2^441054501561 is an apocalyptic number.

It is an amenable number.

441054501561 is a deficient number, since it is larger than the sum of its proper divisors (231382050759).

441054501561 is a wasteful number, since it uses less digits than its factorization.

441054501561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7028365 (or 7028362 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 36.

The spelling of 441054501561 in words is "four hundred forty-one billion, fifty-four million, five hundred one thousand, five hundred sixty-one".