11403121413 has 8 divisors (see below), whose sum is σ = 15205998976. Its totient is φ = 7601162400.

The previous prime is 11403121391. The next prime is 11403121487. The reversal of 11403121413 is 31412130411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11403121413 - 2⁹ = 11403120901 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 11403121413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11403121013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 200128 + ... + 250713.

It is an arithmetic number, because the mean of its divisors is an integer number (1900749872).

Almost surely, 2^11403121413 is an apocalyptic number.

It is an amenable number.

11403121413 is a deficient number, since it is larger than the sum of its proper divisors (3802877563).

11403121413 is an equidigital number, since it uses as much as digits as its factorization.

11403121413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459275.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 11403121413 its reverse (31412130411), we get a palindrome (42815251824).

The spelling of 11403121413 in words is "eleven billion, four hundred three million, one hundred twenty-one thousand, four hundred thirteen".