2561101441124 has 24 divisors (see below), whose sum is σ = 4528064835000. Its totient is φ = 1267429802240.

The previous prime is 2561101441121. The next prime is 2561101441183. The reversal of 2561101441124 is 4211441011652.

It can be written as a sum of positive squares in 4 ways, for example, as 728240356900 + 1832861084224 = 853370^2 + 1353832^2 .

It is not an unprimeable number, because it can be changed into a prime (2561101441121) 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 7 ways as a sum of consecutive naturals, for example, 7478699 + ... + 7813650.

It is an arithmetic number, because the mean of its divisors is an integer number (188669368125).

Almost surely, 2^{2561101441124} is an apocalyptic number.

It is an amenable number.

2561101441124 is a deficient number, since it is larger than the sum of its proper divisors (1966963393876).

2561101441124 is a wasteful number, since it uses less digits than its factorization.

2561101441124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15292783 (or 15292781 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 32.

Adding to 2561101441124 its reverse (4211441011652), we get a palindrome (6772542452776).

The spelling of 2561101441124 in words is "two trillion, five hundred sixty-one billion, one hundred one million, four hundred forty-one thousand, one hundred twenty-four".