201126459487 has 2 divisors, whose sum is σ = 201126459488. Its totient is φ = 201126459486.

The previous prime is 201126459431. The next prime is 201126459493. The reversal of 201126459487 is 784954621102.

201126459487 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201126459487 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 201126459487.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201126459427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100563229743 + 100563229744.

It is an arithmetic number, because the mean of its divisors is an integer number (100563229744).

Almost surely, 2^201126459487 is an apocalyptic number.

201126459487 is a deficient number, since it is larger than the sum of its proper divisors (1).

201126459487 is an equidigital number, since it uses as much as digits as its factorization.

201126459487 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 967680, while the sum is 49.

The spelling of 201126459487 in words is "two hundred one billion, one hundred twenty-six million, four hundred fifty-nine thousand, four hundred eighty-seven".