11212151120265 has 16 divisors (see below), whose sum is σ = 17969693816448. Its totient is φ = 5969729922816.

The previous prime is 11212151120263. The next prime is 11212151120327. The reversal of 11212151120265 is 56202115121211.

It is not a de Polignac number, because 11212151120265 - 2¹ = 11212151120263 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11212151120263) 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, 630241309 + ... + 630259098.

It is an arithmetic number, because the mean of its divisors is an integer number (1123105863528).

Almost surely, 2^{11212151120265} is an apocalyptic number.

11212151120265 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11212151120265 is a deficient number, since it is larger than the sum of its proper divisors (6757542696183).

11212151120265 is a wasteful number, since it uses less digits than its factorization.

11212151120265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1260501008.

The product of its (nonzero) digits is 2400, while the sum is 30.

Adding to 11212151120265 its reverse (56202115121211), we get a palindrome (67414266241476).

The spelling of 11212151120265 in words is "eleven trillion, two hundred twelve billion, one hundred fifty-one million, one hundred twenty thousand, two hundred sixty-five".