11616051720 has 512 divisors, whose sum is σ = 46376064000. Its totient is φ = 2304884736.

The previous prime is 11616051719. The next prime is 11616051743. The reversal of 11616051720 is 2715061611.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 9095722 + ... + 9096998.

It is an arithmetic number, because the mean of its divisors is an integer number (90578250).

Almost surely, 2^11616051720 is an apocalyptic number.

11616051720 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 11616051720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23188032000).

11616051720 is an abundant number, since it is smaller than the sum of its proper divisors (34760012280).

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

11616051720 is a wasteful number, since it uses less digits than its factorization.

11616051720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1342 (or 1324 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 30.

The spelling of 11616051720 in words is "eleven billion, six hundred sixteen million, fifty-one thousand, seven hundred twenty".