12554250500149 has 2 divisors, whose sum is σ = 12554250500150. Its totient is φ = 12554250500148.

The previous prime is 12554250500123. The next prime is 12554250500159. The reversal of 12554250500149 is 94100505245521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12236052972049 + 318197528100 = 3498007^2 + 564090^2 .

It is a cyclic number.

It is not a de Polignac number, because 12554250500149 - 2⁷ = 12554250500021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12554250500119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6277125250074 + 6277125250075.

It is an arithmetic number, because the mean of its divisors is an integer number (6277125250075).

Almost surely, 2^{12554250500149} is an apocalyptic number.

It is an amenable number.

12554250500149 is a deficient number, since it is larger than the sum of its proper divisors (1).

12554250500149 is an equidigital number, since it uses as much as digits as its factorization.

12554250500149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360000, while the sum is 43.

The spelling of 12554250500149 in words is "twelve trillion, five hundred fifty-four billion, two hundred fifty million, five hundred thousand, one hundred forty-nine".