13456044261 has 48 divisors (see below), whose sum is σ = 21615242688. Its totient is φ = 7998336000.

The previous prime is 13456044257. The next prime is 13456044271. The reversal of 13456044261 is 16244065431.

13456044261 is a `hidden beast` number, since 1 + 3 + 4 + 5 + 604 + 42 + 6 + 1 = 666.

It is not a de Polignac number, because 13456044261 - 2² = 13456044257 is a prime.

It is a super-2 number, since 2×13456044261² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13456044271) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1063605 + ... + 1076181.

It is an arithmetic number, because the mean of its divisors is an integer number (450317556).

Almost surely, 2^13456044261 is an apocalyptic number.

13456044261 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13456044261 is a deficient number, since it is larger than the sum of its proper divisors (8159198427).

13456044261 is a wasteful number, since it uses less digits than its factorization.

13456044261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12802 (or 12799 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The spelling of 13456044261 in words is "thirteen billion, four hundred fifty-six million, forty-four thousand, two hundred sixty-one".