11601500000 has 84 divisors (see below), whose sum is σ = 28551431412. Its totient is φ = 4640400000.

The previous prime is 11601499993. The next prime is 11601500003. The reversal of 11601500000 is 510611.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11601500003) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 488399 + ... + 511601.

It is an arithmetic number, because the mean of its divisors is an integer number (339897993).

Almost surely, 2^11601500000 is an apocalyptic number.

11601500000 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 11601500000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14275715706).

11601500000 is an abundant number, since it is smaller than the sum of its proper divisors (16949931412).

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

11601500000 is an frugal number, since it uses more digits than its factorization.

11601500000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23243 (or 23210 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 14.

The spelling of 11601500000 in words is "eleven billion, six hundred one million, five hundred thousand".