26131424042461 has 16 divisors (see below), whose sum is σ = 27807560028144. Its totient is φ = 24470885576704.

The previous prime is 26131424042447. The next prime is 26131424042473. The reversal of 26131424042461 is 16424042413162.

It can be written as a sum of positive squares in 8 ways, for example, as 3659377702500 + 22472046339961 = 1912950^2 + 4740469^2 .

It is a cyclic number.

It is not a de Polignac number, because 26131424042461 - 2⁷ = 26131424042333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26131224042461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3035985 + ... + 7840921.

It is an arithmetic number, because the mean of its divisors is an integer number (1737972501759).

Almost surely, 2^{26131424042461} is an apocalyptic number.

It is an amenable number.

26131424042461 is a deficient number, since it is larger than the sum of its proper divisors (1676135985683).

26131424042461 is a wasteful number, since it uses less digits than its factorization.

26131424042461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4806560.

The product of its (nonzero) digits is 221184, while the sum is 40.

The spelling of 26131424042461 in words is "twenty-six trillion, one hundred thirty-one billion, four hundred twenty-four million, forty-two thousand, four hundred sixty-one".