11105254531 has 8 divisors (see below), whose sum is σ = 12700065024. Its totient is φ = 9512530440.

The previous prime is 11105254513. The next prime is 11105254619. The reversal of 11105254531 is 13545250111.

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

It is not a de Polignac number, because 11105254531 - 2¹⁹ = 11104730243 is a prime.

It is a super-2 number, since 2×11105254531² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11105254531.

It is not an unprimeable number, because it can be changed into a prime (11105254231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 510175 + ... + 531496.

It is an arithmetic number, because the mean of its divisors is an integer number (1587508128).

Almost surely, 2^11105254531 is an apocalyptic number.

11105254531 is a deficient number, since it is larger than the sum of its proper divisors (1594810493).

11105254531 is a wasteful number, since it uses less digits than its factorization.

11105254531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1043201.

The product of its (nonzero) digits is 3000, while the sum is 28.

The spelling of 11105254531 in words is "eleven billion, one hundred five million, two hundred fifty-four thousand, five hundred thirty-one".