11356003540 has 24 divisors (see below), whose sum is σ = 27254408832. Its totient is φ = 3893486880.

The previous prime is 11356003499. The next prime is 11356003649. The reversal of 11356003540 is 4530065311.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 11356003499 and 11356003508.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 40557016 + ... + 40557295.

It is an arithmetic number, because the mean of its divisors is an integer number (1135600368).

Almost surely, 2^11356003540 is an apocalyptic number.

11356003540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11356003540 is an abundant number, since it is smaller than the sum of its proper divisors (15898405292).

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

11356003540 is a wasteful number, since it uses less digits than its factorization.

11356003540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81114327 (or 81114325 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 28.

Adding to 11356003540 its reverse (4530065311), we get a palindrome (15886068851).

The spelling of 11356003540 in words is "eleven billion, three hundred fifty-six million, three thousand, five hundred forty".