11755520616 has 192 divisors, whose sum is σ = 35781955200. Its totient is φ = 3202924032.

The previous prime is 11755520563. The next prime is 11755520627. The reversal of 11755520616 is 61602555711.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16580070 + ... + 16580778.

It is an arithmetic number, because the mean of its divisors is an integer number (186364350).

Almost surely, 2^11755520616 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11755520616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17890977600).

11755520616 is an abundant number, since it is smaller than the sum of its proper divisors (24026434584).

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

11755520616 is a wasteful number, since it uses less digits than its factorization.

11755520616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1368 (or 1357 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 39.

The spelling of 11755520616 in words is "eleven billion, seven hundred fifty-five million, five hundred twenty thousand, six hundred sixteen".