11061774540 has 144 divisors (see below), whose sum is σ = 37397898720. Its totient is φ = 2630154240.

The previous prime is 11061774509. The next prime is 11061774569. The reversal of 11061774540 is 4547716011.

11061774540 is a `hidden beast` number, since 1 + 106 + 1 + 7 + 7 + 4 + 540 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 11061774495 and 11061774504.

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, 36991 + ... + 153270.

It is an arithmetic number, because the mean of its divisors is an integer number (259707630).

Almost surely, 2^11061774540 is an apocalyptic number.

11061774540 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 11061774540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18698949360).

11061774540 is an abundant number, since it is smaller than the sum of its proper divisors (26336124180).

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

11061774540 is a wasteful number, since it uses less digits than its factorization.

11061774540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190312 (or 190307 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 36.

The spelling of 11061774540 in words is "eleven billion, sixty-one million, seven hundred seventy-four thousand, five hundred forty".