11020461140 has 96 divisors (see below), whose sum is σ = 26559023904. Its totient is φ = 3805102080.

The previous prime is 11020461131. The next prime is 11020461161. The reversal of 11020461140 is 4116402011.

It can be written as a sum of positive squares in 16 ways, for example, as 1313482564 + 9706978576 = 36242^2 + 98524^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 686000 + ... + 701880.

It is an arithmetic number, because the mean of its divisors is an integer number (276656499).

Almost surely, 2^11020461140 is an apocalyptic number.

11020461140 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 11020461140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13279511952).

11020461140 is an abundant number, since it is smaller than the sum of its proper divisors (15538562764).

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

11020461140 is a wasteful number, since it uses less digits than its factorization.

11020461140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16077 (or 16075 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 11020461140 its reverse (4116402011), we get a palindrome (15136863151).

The spelling of 11020461140 in words is "eleven billion, twenty million, four hundred sixty-one thousand, one hundred forty".