11399739120 has 1200 divisors, whose sum is σ = 52107331584. Its totient is φ = 2258150400.

The previous prime is 11399739083. The next prime is 11399739133. The reversal of 11399739120 is 2193799311.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 170145327 + ... + 170145393.

Almost surely, 2^11399739120 is an apocalyptic number.

11399739120 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 11399739120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26053665792).

11399739120 is an abundant number, since it is smaller than the sum of its proper divisors (40707592464).

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

11399739120 is a wasteful number, since it uses less digits than its factorization.

11399739120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152 (or 126 counting only the distinct ones).

The product of its (nonzero) digits is 91854, while the sum is 45.

The spelling of 11399739120 in words is "eleven billion, three hundred ninety-nine million, seven hundred thirty-nine thousand, one hundred twenty".