11420032013 has 32 divisors (see below), whose sum is σ = 13791326976. Its totient is φ = 9348185088.

The previous prime is 11420031971. The next prime is 11420032021. The reversal of 11420032013 is 31023002411.

It is a cyclic number.

It is not a de Polignac number, because 11420032013 - 2¹⁶ = 11419966477 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a junction number, because it is equal to n+sod(n) for n = 11420031982 and 11420032000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11420032513) 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, 323795 + ... + 357327.

It is an arithmetic number, because the mean of its divisors is an integer number (430978968).

Almost surely, 2^11420032013 is an apocalyptic number.

11420032013 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

11420032013 is a deficient number, since it is larger than the sum of its proper divisors (2371294963).

11420032013 is a wasteful number, since it uses less digits than its factorization.

11420032013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33653.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 11420032013 its reverse (31023002411), we get a palindrome (42443034424).

The spelling of 11420032013 in words is "eleven billion, four hundred twenty million, thirty-two thousand, thirteen".