13110544421 has 8 divisors (see below), whose sum is σ = 14243996760. Its totient is φ = 11994941952.

The previous prime is 13110544379. The next prime is 13110544429. The reversal of 13110544421 is 12444501131.

It can be written as a sum of positive squares in 4 ways, for example, as 99720196 + 13010824225 = 9986^2 + 114065^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13110544421 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 (13110544429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4460936 + ... + 4463873.

It is an arithmetic number, because the mean of its divisors is an integer number (1780499595).

Almost surely, 2^13110544421 is an apocalyptic number.

It is an amenable number.

13110544421 is a deficient number, since it is larger than the sum of its proper divisors (1133452339).

13110544421 is a wasteful number, since it uses less digits than its factorization.

13110544421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8924935.

The product of its (nonzero) digits is 1920, while the sum is 26.

The spelling of 13110544421 in words is "thirteen billion, one hundred ten million, five hundred forty-four thousand, four hundred twenty-one".