11946390400237 has 2 divisors, whose sum is σ = 11946390400238. Its totient is φ = 11946390400236.

The previous prime is 11946390400229. The next prime is 11946390400247. The reversal of 11946390400237 is 73200409364911.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11306143976521 + 640246423716 = 3362461^2 + 800154^2 .

It is a cyclic number.

It is not a de Polignac number, because 11946390400237 - 2³ = 11946390400229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11946390400247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5973195200118 + 5973195200119.

It is an arithmetic number, because the mean of its divisors is an integer number (5973195200119).

Almost surely, 2^{11946390400237} is an apocalyptic number.

It is an amenable number.

11946390400237 is a deficient number, since it is larger than the sum of its proper divisors (1).

11946390400237 is an equidigital number, since it uses as much as digits as its factorization.

11946390400237 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 979776, while the sum is 49.

The spelling of 11946390400237 in words is "eleven trillion, nine hundred forty-six billion, three hundred ninety million, four hundred thousand, two hundred thirty-seven".