11317527500 has 90 divisors (see below), whose sum is σ = 25259836140. Its totient is φ = 4434216000.

The previous prime is 11317527497. The next prime is 11317527503. The reversal of 11317527500 is 572571311.

It is an interprime number because it is at equal distance from previous prime (11317527497) and next prime (11317527503).

It is not an unprimeable number, because it can be changed into a prime (11317527503) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 40857362 + ... + 40857638.

It is an arithmetic number, because the mean of its divisors is an integer number (280664846).

Almost surely, 2^11317527500 is an apocalyptic number.

11317527500 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 11317527500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12629918070).

11317527500 is an abundant number, since it is smaller than the sum of its proper divisors (13942308640).

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

11317527500 is an frugal number, since it uses more digits than its factorization.

11317527500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 637 (or 343 counting only the distinct ones).

The product of its (nonzero) digits is 7350, while the sum is 32.

The spelling of 11317527500 in words is "eleven billion, three hundred seventeen million, five hundred twenty-seven thousand, five hundred".