211235225504 has 12 divisors (see below), whose sum is σ = 415869350274. Its totient is φ = 105617612736.

The previous prime is 211235225501. The next prime is 211235225507. The reversal of 211235225504 is 405522532112.

It is an interprime number because it is at equal distance from previous prime (211235225501) and next prime (211235225507).

It can be written as a sum of positive squares in only one way, i.e., 154961897104 + 56273328400 = 393652^2 + 237220^2 .

It is a Harshad number since it is a multiple of its sum of digits (32), and also a Moran number because the ratio is a prime number: 6601100797 = 211235225504 / (2 + 1 + 1 + 2 + 3 + 5 + 2 + 2 + 5 + 5 + 0 + 4).

It is not an unprimeable number, because it can be changed into a prime (211235225501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3300550367 + ... + 3300550430.

Almost surely, 2^211235225504 is an apocalyptic number.

It is an amenable number.

211235225504 is a deficient number, since it is larger than the sum of its proper divisors (204634124770).

211235225504 is an equidigital number, since it uses as much as digits as its factorization.

211235225504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6601100807 (or 6601100799 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 32.

Adding to 211235225504 its reverse (405522532112), we get a palindrome (616757757616).

The spelling of 211235225504 in words is "two hundred eleven billion, two hundred thirty-five million, two hundred twenty-five thousand, five hundred four".