26065626461 has 16 divisors (see below), whose sum is σ = 31611340800. Its totient is φ = 21008354928.

The previous prime is 26065626451. The next prime is 26065626473. The reversal of 26065626461 is 16462656062.

It is a happy number.

It is not a de Polignac number, because 26065626461 - 2¹⁸ = 26065364317 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 (26065626451) 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 15 ways as a sum of consecutive naturals, for example, 1362521 + ... + 1381518.

It is an arithmetic number, because the mean of its divisors is an integer number (1975708800).

Almost surely, 2^26065626461 is an apocalyptic number.

It is an amenable number.

26065626461 is a deficient number, since it is larger than the sum of its proper divisors (5545714339).

26065626461 is a wasteful number, since it uses less digits than its factorization.

26065626461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2744128.

The product of its (nonzero) digits is 622080, while the sum is 44.

The spelling of 26065626461 in words is "twenty-six billion, sixty-five million, six hundred twenty-six thousand, four hundred sixty-one".