263125212340211 has 16 divisors (see below), whose sum is σ = 288056506432800. Its totient is φ = 238865305432320.

The previous prime is 263125212340189. The next prime is 263125212340229. The reversal of 263125212340211 is 112043212521362.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-263125212340211 is a prime.

It is a super-2 number, since 2×263125212340211² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (263125212343211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21224186 + ... + 31252463.

It is an arithmetic number, because the mean of its divisors is an integer number (18003531652050).

Almost surely, 2^{263125212340211} is an apocalyptic number.

263125212340211 is a deficient number, since it is larger than the sum of its proper divisors (24931294092589).

263125212340211 is a wasteful number, since it uses less digits than its factorization.

263125212340211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52483046.

The product of its (nonzero) digits is 34560, while the sum is 35.

Adding to 263125212340211 its reverse (112043212521362), we get a palindrome (375168424861573).

The spelling of 263125212340211 in words is "two hundred sixty-three trillion, one hundred twenty-five billion, two hundred twelve million, three hundred forty thousand, two hundred eleven".