11403535213 has 32 divisors (see below), whose sum is σ = 14037580800. Its totient is φ = 9041670144.

The previous prime is 11403535211. The next prime is 11403535219. The reversal of 11403535213 is 31253530411.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 11403535213 - 2¹ = 11403535211 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11403535211) 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, 2150181 + ... + 2155477.

It is an arithmetic number, because the mean of its divisors is an integer number (438674400).

Almost surely, 2^11403535213 is an apocalyptic number.

It is an amenable number.

11403535213 is a deficient number, since it is larger than the sum of its proper divisors (2634045587).

11403535213 is a wasteful number, since it uses less digits than its factorization.

11403535213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5629.

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

It can be divided in two parts, 1140 and 3535213, that added together give a palindrome (3536353).

The spelling of 11403535213 in words is "eleven billion, four hundred three million, five hundred thirty-five thousand, two hundred thirteen".