10555421707589 has 32 divisors (see below), whose sum is σ = 11970367488000. Its totient is φ = 9223967759040.

The previous prime is 10555421707559. The next prime is 10555421707591. The reversal of 10555421707589 is 98570712455501.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 10555421707589 - 2¹⁶ = 10555421642053 is a prime.

It is a super-2 number, since 2×10555421707589² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (59).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10555421707529) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32997587 + ... + 33315935.

It is an arithmetic number, because the mean of its divisors is an integer number (374073984000).

Almost surely, 2^{10555421707589} is an apocalyptic number.

It is an amenable number.

10555421707589 is a deficient number, since it is larger than the sum of its proper divisors (1414945780411).

10555421707589 is a wasteful number, since it uses less digits than its factorization.

10555421707589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319553.

The product of its (nonzero) digits is 17640000, while the sum is 59.

The spelling of 10555421707589 in words is "ten trillion, five hundred fifty-five billion, four hundred twenty-one million, seven hundred seven thousand, five hundred eighty-nine".