211003451345501 has 2 divisors, whose sum is σ = 211003451345502. Its totient is φ = 211003451345500.

The previous prime is 211003451345473. The next prime is 211003451345509. The reversal of 211003451345501 is 105543154300112.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 210056498542276 + 946952803225 = 14493326^2 + 973115^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211003451345501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211003451345509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105501725672750 + 105501725672751.

It is an arithmetic number, because the mean of its divisors is an integer number (105501725672751).

Almost surely, 2^{211003451345501} is an apocalyptic number.

It is an amenable number.

211003451345501 is a deficient number, since it is larger than the sum of its proper divisors (1).

211003451345501 is an equidigital number, since it uses as much as digits as its factorization.

211003451345501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36000, while the sum is 35.

The spelling of 211003451345501 in words is "two hundred eleven trillion, three billion, four hundred fifty-one million, three hundred forty-five thousand, five hundred one".