11212555334 has 4 divisors (see below), whose sum is σ = 16818833004. Its totient is φ = 5606277666.

The previous prime is 11212555327. The next prime is 11212555337. The reversal of 11212555334 is 43355521211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43355521211 = 62639 ⋅692149.

It is a self number, because there is not a number n which added to its sum of digits gives 11212555334.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11212555337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2803138832 + ... + 2803138835.

It is an arithmetic number, because the mean of its divisors is an integer number (4204708251).

Almost surely, 2^11212555334 is an apocalyptic number.

11212555334 is a deficient number, since it is larger than the sum of its proper divisors (5606277670).

11212555334 is an equidigital number, since it uses as much as digits as its factorization.

11212555334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5606277669.

The product of its digits is 18000, while the sum is 32.

The spelling of 11212555334 in words is "eleven billion, two hundred twelve million, five hundred fifty-five thousand, three hundred thirty-four".