11010340421540 has 96 divisors (see below), whose sum is σ = 24538265388000. Its totient is φ = 4135519846400.

The previous prime is 11010340421519. The next prime is 11010340421543. The reversal of 11010340421540 is 4512404301011.

It can be written as a sum of positive squares in 16 ways, for example, as 1912600489024 + 9097739932516 = 1382968^2 + 3016246^2 .

It is not an unprimeable number, because it can be changed into a prime (11010340421543) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 377038940 + ... + 377068140.

It is an arithmetic number, because the mean of its divisors is an integer number (255606931125).

Almost surely, 2^{11010340421540} is an apocalyptic number.

11010340421540 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 11010340421540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12269132694000).

11010340421540 is an abundant number, since it is smaller than the sum of its proper divisors (13527924966460).

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

11010340421540 is a wasteful number, since it uses less digits than its factorization.

11010340421540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31745 (or 31743 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 11010340421540 its reverse (4512404301011), we get a palindrome (15522744722551).

The spelling of 11010340421540 in words is "eleven trillion, ten billion, three hundred forty million, four hundred twenty-one thousand, five hundred forty".