109586090557421 has 2 divisors, whose sum is σ = 109586090557422. Its totient is φ = 109586090557420.

The previous prime is 109586090557409. The next prime is 109586090557453. The reversal of 109586090557421 is 124755090685901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 103998592120900 + 5587498436521 = 10197970^2 + 2363789^2 .

It is a cyclic number.

It is not a de Polignac number, because 109586090557421 - 2¹⁸ = 109586090295277 is a prime.

It is a super-2 number, since 2×109586090557421² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (109586090157421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54793045278710 + 54793045278711.

It is an arithmetic number, because the mean of its divisors is an integer number (54793045278711).

Almost surely, 2^{109586090557421} is an apocalyptic number.

It is an amenable number.

109586090557421 is a deficient number, since it is larger than the sum of its proper divisors (1).

109586090557421 is an equidigital number, since it uses as much as digits as its factorization.

109586090557421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216000, while the sum is 62.

The spelling of 109586090557421 in words is "one hundred nine trillion, five hundred eighty-six billion, ninety million, five hundred fifty-seven thousand, four hundred twenty-one".