11711020032 has 132 divisors (see below), whose sum is σ = 35286186000. Its totient is φ = 3733880832.

The previous prime is 11711020019. The next prime is 11711020037. The reversal of 11711020032 is 23002011711.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 11711019987 and 11711020014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11711020037) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 184344 + ... + 239592.

Almost surely, 2^11711020032 is an apocalyptic number.

11711020032 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 11711020032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17643093000).

11711020032 is an abundant number, since it is smaller than the sum of its proper divisors (23575165968).

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

11711020032 is a wasteful number, since it uses less digits than its factorization.

11711020032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55298 (or 55277 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 18.

Adding to 11711020032 its reverse (23002011711), we get a palindrome (34713031743).

The spelling of 11711020032 in words is "eleven billion, seven hundred eleven million, twenty thousand, thirty-two".