11055210531 has 8 divisors (see below), whose sum is σ = 14747372304. Its totient is φ = 7366594560.

The previous prime is 11055210511. The next prime is 11055210541. The reversal of 11055210531 is 13501255011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11055210531 - 2²³ = 11046821923 is a prime.

It is a super-2 number, since 2×11055210531² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11055210511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 879166 + ... + 891651.

It is an arithmetic number, because the mean of its divisors is an integer number (1843421538).

Almost surely, 2^11055210531 is an apocalyptic number.

11055210531 is a deficient number, since it is larger than the sum of its proper divisors (3692161773).

11055210531 is a wasteful number, since it uses less digits than its factorization.

11055210531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1772901.

The product of its (nonzero) digits is 750, while the sum is 24.

Adding to 11055210531 its reverse (13501255011), we get a palindrome (24556465542).

The spelling of 11055210531 in words is "eleven billion, fifty-five million, two hundred ten thousand, five hundred thirty-one".