12158308801 has 2 divisors, whose sum is σ = 12158308802. Its totient is φ = 12158308800.

The previous prime is 12158308777. The next prime is 12158308823. The reversal of 12158308801 is 10880385121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7174090000 + 4984218801 = 84700^2 + 70599^2 .

It is a cyclic number.

It is not a de Polignac number, because 12158308801 - 2⁵ = 12158308769 is a prime.

It is not a weakly prime, because it can be changed into another prime (12158308831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6079154400 + 6079154401.

It is an arithmetic number, because the mean of its divisors is an integer number (6079154401).

Almost surely, 2^12158308801 is an apocalyptic number.

It is an amenable number.

12158308801 is a deficient number, since it is larger than the sum of its proper divisors (1).

12158308801 is an equidigital number, since it uses as much as digits as its factorization.

12158308801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15360, while the sum is 37.

The spelling of 12158308801 in words is "twelve billion, one hundred fifty-eight million, three hundred eight thousand, eight hundred one".