10421140554415 has 16 divisors (see below), whose sum is σ = 12523996227456. Its totient is φ = 8324501632000.

The previous prime is 10421140554413. The next prime is 10421140554421. The reversal of 10421140554415 is 51445504112401.

10421140554415 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10421140554415 - 2¹ = 10421140554413 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 (10421140554413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10590399 + ... + 11532511.

It is an arithmetic number, because the mean of its divisors is an integer number (782749764216).

Almost surely, 2^{10421140554415} is an apocalyptic number.

10421140554415 is a deficient number, since it is larger than the sum of its proper divisors (2102855673041).

10421140554415 is an equidigital number, since it uses as much as digits as its factorization.

10421140554415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 945410.

The product of its (nonzero) digits is 64000, while the sum is 37.

Adding to 10421140554415 its reverse (51445504112401), we get a palindrome (61866644666816).

The spelling of 10421140554415 in words is "ten trillion, four hundred twenty-one billion, one hundred forty million, five hundred fifty-four thousand, four hundred fifteen".