11331034512 has 320 divisors, whose sum is σ = 36274106880. Its totient is φ = 2978906112.

The previous prime is 11331034511. The next prime is 11331034529. The reversal of 11331034512 is 21543013311.

It is a super-2 number, since 2×11331034512² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (11331034511) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 19107688 + ... + 19108280.

It is an arithmetic number, because the mean of its divisors is an integer number (113356584).

Almost surely, 2^11331034512 is an apocalyptic number.

11331034512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11331034512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18137053440).

11331034512 is an abundant number, since it is smaller than the sum of its proper divisors (24943072368).

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

11331034512 is a wasteful number, since it uses less digits than its factorization.

11331034512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 730 (or 724 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

Adding to 11331034512 its reverse (21543013311), we get a palindrome (32874047823).

The spelling of 11331034512 in words is "eleven billion, three hundred thirty-one million, thirty-four thousand, five hundred twelve".