11403451213 has 16 divisors (see below), whose sum is σ = 14302439424. Its totient is φ = 8832587760.

The previous prime is 11403451123. The next prime is 11403451223. The reversal of 11403451213 is 31215430411.

It is a cyclic number.

It is not a de Polignac number, because 11403451213 - 2³³ = 2813516621 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11403451223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 430545 + ... + 456262.

It is an arithmetic number, because the mean of its divisors is an integer number (893902464).

Almost surely, 2^11403451213 is an apocalyptic number.

It is an amenable number.

11403451213 is a deficient number, since it is larger than the sum of its proper divisors (2898988211).

11403451213 is a wasteful number, since it uses less digits than its factorization.

11403451213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 886992.

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

Adding to 11403451213 its reverse (31215430411), we get a palindrome (42618881624).

The spelling of 11403451213 in words is "eleven billion, four hundred three million, four hundred fifty-one thousand, two hundred thirteen".