11051640534340 has 192 divisors, whose sum is σ = 28589180014080. Its totient is φ = 3502238146560.

The previous prime is 11051640534317. The next prime is 11051640534353. The reversal of 11051640534340 is 4343504615011.

It is a self number, because there is not a number n which added to its sum of digits gives 11051640534340.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 139959270 + ... + 140038210.

It is an arithmetic number, because the mean of its divisors is an integer number (148901979240).

Almost surely, 2^{11051640534340} is an apocalyptic number.

11051640534340 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 11051640534340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14294590007040).

11051640534340 is an abundant number, since it is smaller than the sum of its proper divisors (17537539479740).

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

11051640534340 is a wasteful number, since it uses less digits than its factorization.

11051640534340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80030 (or 80028 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 37.

The spelling of 11051640534340 in words is "eleven trillion, fifty-one billion, six hundred forty million, five hundred thirty-four thousand, three hundred forty".