11131034530 has 96 divisors (see below), whose sum is σ = 26246426112. Its totient is φ = 3357446400.

The previous prime is 11131034503. The next prime is 11131034543. The reversal of 11131034530 is 3543013111.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 133782 + ... + 200398.

It is an arithmetic number, because the mean of its divisors is an integer number (273400272).

Almost surely, 2^11131034530 is an apocalyptic number.

11131034530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11131034530 is an abundant number, since it is smaller than the sum of its proper divisors (15115391582).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11131034530 is a wasteful number, since it uses less digits than its factorization.

11131034530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66680 (or 66673 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 22.

Adding to 11131034530 its reverse (3543013111), we get a palindrome (14674047641).

The spelling of 11131034530 in words is "eleven billion, one hundred thirty-one million, thirty-four thousand, five hundred thirty".