11170120000 has 140 divisors (see below), whose sum is σ = 29830291876. Its totient is φ = 4124160000.

The previous prime is 11170119973. The next prime is 11170120021. The reversal of 11170120000 is 2107111.

It can be written as a sum of positive squares in 10 ways, for example, as 9291417664 + 1878702336 = 96392^2 + 43344^2 .

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 509260 + ... + 530740.

Almost surely, 2^11170120000 is an apocalyptic number.

11170120000 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 11170120000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14915145938).

11170120000 is an abundant number, since it is smaller than the sum of its proper divisors (18660171876).

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

11170120000 is an equidigital number, since it uses as much as digits as its factorization.

11170120000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21526 (or 21501 counting only the distinct ones).

The product of its (nonzero) digits is 14, while the sum is 13.

Adding to 11170120000 its reverse (2107111), we get a palindrome (11172227111).

The spelling of 11170120000 in words is "eleven billion, one hundred seventy million, one hundred twenty thousand".