11231055 has 40 divisors (see below), whose sum is σ = 21971664. Its totient is φ = 5443200.

The previous prime is 11231047. The next prime is 11231069. The reversal of 11231055 is 55013211.

It is not a de Polignac number, because 11231055 - 2³ = 11231047 is a prime.

It is a super-2 number, since 2×11231055² = 252273192826050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3195 + ... + 5715.

Almost surely, 2^11231055 is an apocalyptic number.

11231055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11231055 is a deficient number, since it is larger than the sum of its proper divisors (10740609).

11231055 is a wasteful number, since it uses less digits than its factorization.

11231055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2549 (or 2540 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

The square root of 11231055 is about 3351.2766224232. The cubic root of 11231055 is about 223.9443885651.

Adding to 11231055 its reverse (55013211), we get a palindrome (66244266).

The spelling of 11231055 in words is "eleven million, two hundred thirty-one thousand, fifty-five".