15814104848261 has 4 divisors (see below), whose sum is σ = 15914831630892. Its totient is φ = 15713378065632.

The previous prime is 15814104848249. The next prime is 15814104848273. The reversal of 15814104848261 is 16284840141851.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (15814104848249) and next prime (15814104848273).

It can be written as a sum of positive squares in 2 ways, for example, as 3740085244900 + 12074019603361 = 1933930^2 + 3474769^2 .

It is a cyclic number.

It is not a de Polignac number, because 15814104848261 - 2⁴² = 11416058337157 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 (15814104808261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50363391080 + ... + 50363391393.

It is an arithmetic number, because the mean of its divisors is an integer number (3978707907723).

Almost surely, 2^{15814104848261} is an apocalyptic number.

It is an amenable number.

15814104848261 is a deficient number, since it is larger than the sum of its proper divisors (100726782631).

15814104848261 is a wasteful number, since it uses less digits than its factorization.

15814104848261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100726782630.

The product of its (nonzero) digits is 1966080, while the sum is 53.

The spelling of 15814104848261 in words is "fifteen trillion, eight hundred fourteen billion, one hundred four million, eight hundred forty-eight thousand, two hundred sixty-one".