12448860157 has 2 divisors, whose sum is σ = 12448860158. Its totient is φ = 12448860156.

The previous prime is 12448860143. The next prime is 12448860169. The reversal of 12448860157 is 75106884421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7826763961 + 4622096196 = 88469^2 + 67986^2 .

It is a cyclic number.

It is not a de Polignac number, because 12448860157 - 2⁷ = 12448860029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12448860187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6224430078 + 6224430079.

It is an arithmetic number, because the mean of its divisors is an integer number (6224430079).

Almost surely, 2^12448860157 is an apocalyptic number.

It is an amenable number.

12448860157 is a deficient number, since it is larger than the sum of its proper divisors (1).

12448860157 is an equidigital number, since it uses as much as digits as its factorization.

12448860157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 430080, while the sum is 46.

The spelling of 12448860157 in words is "twelve billion, four hundred forty-eight million, eight hundred sixty thousand, one hundred fifty-seven".