12550754137 has 2 divisors, whose sum is σ = 12550754138. Its totient is φ = 12550754136.

The previous prime is 12550754131. The next prime is 12550754141. The reversal of 12550754137 is 73145705521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12143158416 + 407595721 = 110196^2 + 20189^2 .

It is a cyclic number.

It is not a de Polignac number, because 12550754137 - 2²³ = 12542365529 is a prime.

It is a super-2 number, since 2×12550754137² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12550754137.

It is not a weakly prime, because it can be changed into another prime (12550754131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6275377068 + 6275377069.

It is an arithmetic number, because the mean of its divisors is an integer number (6275377069).

Almost surely, 2^12550754137 is an apocalyptic number.

It is an amenable number.

12550754137 is a deficient number, since it is larger than the sum of its proper divisors (1).

12550754137 is an equidigital number, since it uses as much as digits as its factorization.

12550754137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 147000, while the sum is 40.

The spelling of 12550754137 in words is "twelve billion, five hundred fifty million, seven hundred fifty-four thousand, one hundred thirty-seven".