11123554550331 has 32 divisors (see below), whose sum is σ = 14934180999168. Its totient is φ = 7364497038080.

The previous prime is 11123554550237. The next prime is 11123554550347. The reversal of 11123554550331 is 13305545532111.

It is a cyclic number.

It is not a de Polignac number, because 11123554550331 - 2¹⁵ = 11123554517563 is a prime.

It is a super-2 number, since 2×11123554550331² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11123554550331.

It is not an unprimeable number, because it can be changed into a prime (11123554550371) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 665953126 + ... + 665969828.

It is an arithmetic number, because the mean of its divisors is an integer number (466693156224).

Almost surely, 2^{11123554550331} is an apocalyptic number.

11123554550331 is a deficient number, since it is larger than the sum of its proper divisors (3810626448837).

11123554550331 is a wasteful number, since it uses less digits than its factorization.

11123554550331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19331.

The product of its (nonzero) digits is 135000, while the sum is 39.

The spelling of 11123554550331 in words is "eleven trillion, one hundred twenty-three billion, five hundred fifty-four million, five hundred fifty thousand, three hundred thirty-one".