11021230432015 has 4 divisors (see below), whose sum is σ = 13225476518424. Its totient is φ = 8816984345608.

The previous prime is 11021230431989. The next prime is 11021230432117. The reversal of 11021230432015 is 51023403212011.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11021230432015 - 2⁵ = 11021230431983 is a prime.

It is a Duffinian number.

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 3 ways as a sum of consecutive naturals, for example, 1102123043197 + ... + 1102123043206.

It is an arithmetic number, because the mean of its divisors is an integer number (3306369129606).

Almost surely, 2^{11021230432015} is an apocalyptic number.

11021230432015 is a deficient number, since it is larger than the sum of its proper divisors (2204246086409).

11021230432015 is an equidigital number, since it uses as much as digits as its factorization.

11021230432015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2204246086408.

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 11021230432015 its reverse (51023403212011), we get a palindrome (62044633644026).

The spelling of 11021230432015 in words is "eleven trillion, twenty-one billion, two hundred thirty million, four hundred thirty-two thousand, fifteen".