10544121451 has 4 divisors (see below), whose sum is σ = 10652823832. Its totient is φ = 10435419072.

The previous prime is 10544121439. The next prime is 10544121499. The reversal of 10544121451 is 15412144501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15412144501 = 13 ⋅1185549577.

It is a cyclic number.

It is not a de Polignac number, because 10544121451 - 2¹¹ = 10544119403 is a prime.

It is a super-2 number, since 2×10544121451² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10544121151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54351045 + ... + 54351238.

It is an arithmetic number, because the mean of its divisors is an integer number (2663205958).

Almost surely, 2^10544121451 is an apocalyptic number.

10544121451 is a deficient number, since it is larger than the sum of its proper divisors (108702381).

10544121451 is an equidigital number, since it uses as much as digits as its factorization.

10544121451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108702380.

The product of its (nonzero) digits is 3200, while the sum is 28.

Adding to 10544121451 its reverse (15412144501), we get a palindrome (25956265952).

The spelling of 10544121451 in words is "ten billion, five hundred forty-four million, one hundred twenty-one thousand, four hundred fifty-one".