2561413982132 has 24 divisors (see below), whose sum is σ = 4489563826440. Its totient is φ = 1278682398720.

The previous prime is 2561413982129. The next prime is 2561413982213. The reversal of 2561413982132 is 2312893141652.

It can be written as a sum of positive squares in 4 ways, for example, as 172917915556 + 2388496066576 = 415834^2 + 1545476^2 .

It is a super-2 number, since 2×2561413982132² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11010782 + ... + 11241002.

It is an arithmetic number, because the mean of its divisors is an integer number (187065159435).

Almost surely, 2^{2561413982132} is an apocalyptic number.

It is an amenable number.

2561413982132 is a deficient number, since it is larger than the sum of its proper divisors (1928149844308).

2561413982132 is a wasteful number, since it uses less digits than its factorization.

2561413982132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234611 (or 234609 counting only the distinct ones).

The product of its digits is 622080, while the sum is 47.

The spelling of 2561413982132 in words is "two trillion, five hundred sixty-one billion, four hundred thirteen million, nine hundred eighty-two thousand, one hundred thirty-two".