11502000000 has 560 divisors, whose sum is σ = 43389288360. Its totient is φ = 3024000000.

The previous prime is 11501999987. The next prime is 11502000007. The reversal of 11502000000 is 20511.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11502000007) by changing a digit.

It is a polite number, since it can be written in 69 ways as a sum of consecutive naturals, for example, 161999965 + ... + 162000035.

Almost surely, 2^11502000000 is an apocalyptic number.

11502000000 is a gapful number since it is divisible by the number (10) 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 11502000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21694644180).

11502000000 is an abundant number, since it is smaller than the sum of its proper divisors (31887288360).

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

11502000000 is an frugal number, since it uses more digits than its factorization.

11502000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127 (or 81 counting only the distinct ones).

The product of its (nonzero) digits is 10, while the sum is 9.

Adding to 11502000000 its reverse (20511), we get a palindrome (11502020511).

The spelling of 11502000000 in words is "eleven billion, five hundred two million", and thus it is an aban number.