12827157361 has 8 divisors (see below), whose sum is σ = 13073045544. Its totient is φ = 12581412480.

The previous prime is 12827157347. The next prime is 12827157403. The reversal of 12827157361 is 16375172821.

It can be written as a sum of positive squares in 4 ways, for example, as 4153029136 + 8674128225 = 64444^2 + 93135^2 .

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 12827157361 - 2¹⁹ = 12826633073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12827157311) 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, 154501 + ... + 222541.

It is an arithmetic number, because the mean of its divisors is an integer number (1634130693).

Almost surely, 2^12827157361 is an apocalyptic number.

It is an amenable number.

12827157361 is a deficient number, since it is larger than the sum of its proper divisors (245888183).

12827157361 is an equidigital number, since it uses as much as digits as its factorization.

12827157361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71651.

The product of its digits is 141120, while the sum is 43.

The spelling of 12827157361 in words is "twelve billion, eight hundred twenty-seven million, one hundred fifty-seven thousand, three hundred sixty-one".