11055742331 has 4 divisors (see below), whose sum is σ = 11057500464. Its totient is φ = 11053984200.

The previous prime is 11055742289. The next prime is 11055742333. The reversal of 11055742331 is 13324755011.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11055742331 is a prime.

It is a super-2 number, since 2×11055742331² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11055742333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 869600 + ... + 882221.

It is an arithmetic number, because the mean of its divisors is an integer number (2764375116).

Almost surely, 2^11055742331 is an apocalyptic number.

11055742331 is a deficient number, since it is larger than the sum of its proper divisors (1758133).

11055742331 is an equidigital number, since it uses as much as digits as its factorization.

11055742331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1758132.

The product of its (nonzero) digits is 12600, while the sum is 32.

The spelling of 11055742331 in words is "eleven billion, fifty-five million, seven hundred forty-two thousand, three hundred thirty-one".