10421140555 has 16 divisors (see below), whose sum is σ = 14294764224. Its totient is φ = 7144467840.

The previous prime is 10421140553. The next prime is 10421140567. The reversal of 10421140555 is 55504112401.

It is not a de Polignac number, because 10421140555 - 2¹ = 10421140553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10421140553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 160669 + ... + 216001.

It is an arithmetic number, because the mean of its divisors is an integer number (893422764).

Almost surely, 2^10421140555 is an apocalyptic number.

10421140555 is a deficient number, since it is larger than the sum of its proper divisors (3873623669).

10421140555 is an equidigital number, since it uses as much as digits as its factorization.

10421140555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60726.

The product of its (nonzero) digits is 4000, while the sum is 28.

Adding to 10421140555 its reverse (55504112401), we get a palindrome (65925252956).

The spelling of 10421140555 in words is "ten billion, four hundred twenty-one million, one hundred forty thousand, five hundred fifty-five".