11899077120 has 320 divisors, whose sum is σ = 48306551040. Its totient is φ = 2719678464.

The previous prime is 11899077119. The next prime is 11899077133. The reversal of 11899077120 is 2177099811.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (320).

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

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 471544 + ... + 496136.

It is an arithmetic number, because the mean of its divisors is an integer number (150957972).

Almost surely, 2^11899077120 is an apocalyptic number.

11899077120 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 11899077120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24153275520).

11899077120 is an abundant number, since it is smaller than the sum of its proper divisors (36407473920).

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

11899077120 is an equidigital number, since it uses as much as digits as its factorization.

11899077120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24632 (or 24610 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 45.

The spelling of 11899077120 in words is "eleven billion, eight hundred ninety-nine million, seventy-seven thousand, one hundred twenty".