11426261372621 has 8 divisors (see below), whose sum is σ = 11830852576920. Its totient is φ = 11022375647808.

The previous prime is 11426261372597. The next prime is 11426261372641. The reversal of 11426261372621 is 12627316262411.

It can be written as a sum of positive squares in 4 ways, for example, as 10742286025 + 11415519086596 = 103645^2 + 3378686^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11426261372621 - 2¹⁸ = 11426261110477 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 (11426261372641) 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, 176336906 + ... + 176401691.

It is an arithmetic number, because the mean of its divisors is an integer number (1478856572115).

Almost surely, 2^{11426261372621} is an apocalyptic number.

It is an amenable number.

11426261372621 is a deficient number, since it is larger than the sum of its proper divisors (404591204299).

11426261372621 is a wasteful number, since it uses less digits than its factorization.

11426261372621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352739743.

The product of its digits is 290304, while the sum is 44.

The spelling of 11426261372621 in words is "eleven trillion, four hundred twenty-six billion, two hundred sixty-one million, three hundred seventy-two thousand, six hundred twenty-one".