11270585531 has 4 divisors (see below), whose sum is σ = 11300801952. Its totient is φ = 11240369112.

The previous prime is 11270585497. The next prime is 11270585539. The reversal of 11270585531 is 13558507211.

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-11270585531 is a prime.

It is a super-2 number, since 2×11270585531² (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 (11270585539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15107651 + ... + 15108396.

It is an arithmetic number, because the mean of its divisors is an integer number (2825200488).

Almost surely, 2^11270585531 is an apocalyptic number.

11270585531 is a deficient number, since it is larger than the sum of its proper divisors (30216421).

11270585531 is an equidigital number, since it uses as much as digits as its factorization.

11270585531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30216420.

The product of its (nonzero) digits is 42000, while the sum is 38.

The spelling of 11270585531 in words is "eleven billion, two hundred seventy million, five hundred eighty-five thousand, five hundred thirty-one".