11488771080 has 160 divisors (see below), whose sum is σ = 39946915800. Its totient is φ = 2958004224.

The previous prime is 11488771079. The next prime is 11488771087. The reversal of 11488771080 is 8017788411.

11488771080 is a `hidden beast` number, since 11 + 488 + 77 + 10 + 80 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 10760742756 + 728028324 = 103734^2 + 26982^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (11488771087) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 32824 + ... + 155096.

Almost surely, 2^11488771080 is an apocalyptic number.

11488771080 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 11488771080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19973457900).

11488771080 is an abundant number, since it is smaller than the sum of its proper divisors (28458144720).

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

11488771080 is a wasteful number, since it uses less digits than its factorization.

11488771080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122325 (or 122312 counting only the distinct ones).

The product of its (nonzero) digits is 100352, while the sum is 45.

The spelling of 11488771080 in words is "eleven billion, four hundred eighty-eight million, seven hundred seventy-one thousand, eighty".