11600611552 has 96 divisors (see below), whose sum is σ = 24542179200. Its totient is φ = 5387171328.

The previous prime is 11600611489. The next prime is 11600611573. The reversal of 11600611552 is 25511600611.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 11600611552.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2671399 + ... + 2675737.

It is an arithmetic number, because the mean of its divisors is an integer number (255647700).

Almost surely, 2^11600611552 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 11600611552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12271089600).

11600611552 is an abundant number, since it is smaller than the sum of its proper divisors (12941567648).

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

11600611552 is a wasteful number, since it uses less digits than its factorization.

11600611552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4488 (or 4480 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 28.

The spelling of 11600611552 in words is "eleven billion, six hundred million, six hundred eleven thousand, five hundred fifty-two".