11223155211255 has 48 divisors (see below), whose sum is σ = 21202298129376. Its totient is φ = 5458676394240.

The previous prime is 11223155211253. The next prime is 11223155211293. The reversal of 11223155211255 is 55211255132211.

It is a happy number.

11223155211255 is a `hidden beast` number, since 1 + 1 + 2 + 2 + 3 + 1 + 5 + 521 + 125 + 5 = 666.

It is not a de Polignac number, because 11223155211255 - 2¹ = 11223155211253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11223155211253) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 115523016 + ... + 115620125.

It is an arithmetic number, because the mean of its divisors is an integer number (441714544362).

Almost surely, 2^{11223155211255} is an apocalyptic number.

11223155211255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11223155211255 is a deficient number, since it is larger than the sum of its proper divisors (9979142918121).

11223155211255 is a wasteful number, since it uses less digits than its factorization.

11223155211255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231143248 (or 231143245 counting only the distinct ones).

The product of its digits is 30000, while the sum is 36.

The spelling of 11223155211255 in words is "eleven trillion, two hundred twenty-three billion, one hundred fifty-five million, two hundred eleven thousand, two hundred fifty-five".