11231754912 has 216 divisors, whose sum is σ = 37858605876. Its totient is φ = 3148314624.

The previous prime is 11231754899. The next prime is 11231754917. The reversal of 11231754912 is 21945713211.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 11219893776 + 11861136 = 105924^2 + 3444^2 .

It is a super-2 number, since 2×11231754912² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (11231754917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 740428 + ... + 755444.

Almost surely, 2^11231754912 is an apocalyptic number.

11231754912 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 11231754912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18929302938).

11231754912 is an abundant number, since it is smaller than the sum of its proper divisors (26626850964).

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

11231754912 is a wasteful number, since it uses less digits than its factorization.

11231754912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15100 (or 15082 counting only the distinct ones).

The product of its digits is 15120, while the sum is 36.

The spelling of 11231754912 in words is "eleven billion, two hundred thirty-one million, seven hundred fifty-four thousand, nine hundred twelve".