11021306045542 has 160 divisors (see below), whose sum is σ = 19545027768000. Its totient is φ = 4630058993664.

The previous prime is 11021306045489. The next prime is 11021306045543. The reversal of 11021306045542 is 24554060312011.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a junction number, because it is equal to n+sod(n) for n = 11021306045498 and 11021306045507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11021306045543) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 18399508959 + ... + 18399509557.

It is an arithmetic number, because the mean of its divisors is an integer number (122156423550).

Almost surely, 2^{11021306045542} is an apocalyptic number.

11021306045542 is a deficient number, since it is larger than the sum of its proper divisors (8523721722458).

11021306045542 is an equidigital number, since it uses as much as digits as its factorization.

11021306045542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 948 (or 897 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 34.

Adding to 11021306045542 its reverse (24554060312011), we get a palindrome (35575366357553).

The spelling of 11021306045542 in words is "eleven trillion, twenty-one billion, three hundred six million, forty-five thousand, five hundred forty-two".