11389265120 has 96 divisors (see below), whose sum is σ = 29045459520. Its totient is φ = 4207329280.

The previous prime is 11389265113. The next prime is 11389265159. The reversal of 11389265120 is 2156298311.

It is a happy number.

It is a super-2 number, since 2×11389265120² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53360 + ... + 160080.

It is an arithmetic number, because the mean of its divisors is an integer number (302556870).

Almost surely, 2^11389265120 is an apocalyptic number.

11389265120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a pronic number, being equal to 106720×106721.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11389265120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14522729760).

11389265120 is an abundant number, since it is smaller than the sum of its proper divisors (17656194400).

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

11389265120 is a wasteful number, since it uses less digits than its factorization.

11389265120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106788 (or 106780 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 38.

The spelling of 11389265120 in words is "eleven billion, three hundred eighty-nine million, two hundred sixty-five thousand, one hundred twenty".