11869450320 has 480 divisors, whose sum is σ = 48817375488. Its totient is φ = 2356494336.

The previous prime is 11869450301. The next prime is 11869450343. The reversal of 11869450320 is 2305496811.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2596677 + ... + 2601243.

Almost surely, 2^11869450320 is an apocalyptic number.

11869450320 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 11869450320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24408687744).

11869450320 is an abundant number, since it is smaller than the sum of its proper divisors (36947925168).

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

11869450320 is a wasteful number, since it uses less digits than its factorization.

11869450320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4627 (or 4614 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 39.

The spelling of 11869450320 in words is "eleven billion, eight hundred sixty-nine million, four hundred fifty thousand, three hundred twenty".