11992025664 has 84 divisors (see below), whose sum is σ = 34551394956. Its totient is φ = 3976593408.

The previous prime is 11992025663. The next prime is 11992025677. The reversal of 11992025664 is 46652029911.

It can be written as a sum of positive squares in 2 ways, for example, as 8392025664 + 3600000000 = 91608^2 + 60000^2 .

It is a super-3 number, since 3×11992025664³ (a number of 31 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (11992025663) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57232 + ... + 165104.

Almost surely, 2^11992025664 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 11992025664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17275697478).

11992025664 is an abundant number, since it is smaller than the sum of its proper divisors (22559369292).

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

11992025664 is a wasteful number, since it uses less digits than its factorization.

11992025664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108084 (or 108071 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The spelling of 11992025664 in words is "eleven billion, nine hundred ninety-two million, twenty-five thousand, six hundred sixty-four".