12157736141 has 2 divisors, whose sum is σ = 12157736142. Its totient is φ = 12157736140.

The previous prime is 12157736137. The next prime is 12157736189. The reversal of 12157736141 is 14163775121.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11104733641 + 1053002500 = 105379^2 + 32450^2 .

It is a cyclic number.

It is not a de Polignac number, because 12157736141 - 2² = 12157736137 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12157736095 and 12157736104.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12157736441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6078868070 + 6078868071.

It is an arithmetic number, because the mean of its divisors is an integer number (6078868071).

Almost surely, 2^12157736141 is an apocalyptic number.

It is an amenable number.

12157736141 is a deficient number, since it is larger than the sum of its proper divisors (1).

12157736141 is an equidigital number, since it uses as much as digits as its factorization.

12157736141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 35280, while the sum is 38.

The spelling of 12157736141 in words is "twelve billion, one hundred fifty-seven million, seven hundred thirty-six thousand, one hundred forty-one".