11212012455455 has 16 divisors (see below), whose sum is σ = 15376967976000. Its totient is φ = 7687990236672.

The previous prime is 11212012455443. The next prime is 11212012455493. The reversal of 11212012455455 is 55455421021211.

It is a cyclic number.

It is not a de Polignac number, because 11212012455455 - 2¹⁰ = 11212012454431 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4034330 + ... + 6220919.

It is an arithmetic number, because the mean of its divisors is an integer number (961060498500).

Almost surely, 2^{11212012455455} is an apocalyptic number.

11212012455455 is a deficient number, since it is larger than the sum of its proper divisors (4164955520545).

11212012455455 is a wasteful number, since it uses less digits than its factorization.

11212012455455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10286498.

The product of its (nonzero) digits is 80000, while the sum is 38.

Adding to 11212012455455 its reverse (55455421021211), we get a palindrome (66667433476666).

The spelling of 11212012455455 in words is "eleven trillion, two hundred twelve billion, twelve million, four hundred fifty-five thousand, four hundred fifty-five".