15873634223057 has 8 divisors (see below), whose sum is σ = 17131764757800. Its totient is φ = 14620801080960.

The previous prime is 15873634223053. The next prime is 15873634223087. The reversal of 15873634223057 is 75032243637851.

It can be written as a sum of positive squares in 4 ways, for example, as 216109695376 + 15657524527681 = 464876^2 + 3956959^2 .

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 15873634223057 - 2² = 15873634223053 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 15873634222993 and 15873634223011.

It is not an unprimeable number, because it can be changed into a prime (15873634223053) 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, 1324341932 + ... + 1324353917.

It is an arithmetic number, because the mean of its divisors is an integer number (2141470594725).

Almost surely, 2^{15873634223057} is an apocalyptic number.

It is an amenable number.

15873634223057 is a deficient number, since it is larger than the sum of its proper divisors (1258130534743).

15873634223057 is a wasteful number, since it uses less digits than its factorization.

15873634223057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2648696323.

The product of its (nonzero) digits is 25401600, while the sum is 56.

The spelling of 15873634223057 in words is "fifteen trillion, eight hundred seventy-three billion, six hundred thirty-four million, two hundred twenty-three thousand, fifty-seven".