211303151045 has 24 divisors (see below), whose sum is σ = 295062312600. Its totient is φ = 144844288512.

The previous prime is 211303151041. The next prime is 211303151047. The reversal of 211303151045 is 540151303112.

It can be written as a sum of positive squares in 4 ways, for example, as 9330207649 + 201972943396 = 96593^2 + 449414^2 .

It is not a de Polignac number, because 211303151045 - 2² = 211303151041 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211303151041) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 582161 + ... + 872649.

It is an arithmetic number, because the mean of its divisors is an integer number (12294263025).

Almost surely, 2^211303151045 is an apocalyptic number.

It is an amenable number.

211303151045 is a deficient number, since it is larger than the sum of its proper divisors (83759161555).

211303151045 is a wasteful number, since it uses less digits than its factorization.

211303151045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293477 (or 293470 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 26.

Adding to 211303151045 its reverse (540151303112), we get a palindrome (751454454157).

The spelling of 211303151045 in words is "two hundred eleven billion, three hundred three million, one hundred fifty-one thousand, forty-five".