13751704834561 has 8 divisors (see below), whose sum is σ = 13754136237480. Its totient is φ = 13749273635328.

The previous prime is 13751704834537. The next prime is 13751704834579. The reversal of 13751704834561 is 16543840715731.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3949138715536 + 9802566119025 = 1987244^2 + 3130905^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 13751704834561 - 2¹¹ = 13751704832513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13751704844561) 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, 196820145 + ... + 196890001.

It is an arithmetic number, because the mean of its divisors is an integer number (1719267029685).

Almost surely, 2^{13751704834561} is an apocalyptic number.

It is an amenable number.

13751704834561 is a deficient number, since it is larger than the sum of its proper divisors (2431402919).

13751704834561 is an equidigital number, since it uses as much as digits as its factorization.

13751704834561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101843.

The product of its (nonzero) digits is 8467200, while the sum is 55.

The spelling of 13751704834561 in words is "thirteen trillion, seven hundred fifty-one billion, seven hundred four million, eight hundred thirty-four thousand, five hundred sixty-one".