11403120013 has 2 divisors, whose sum is σ = 11403120014. Its totient is φ = 11403120012.

The previous prime is 11403119993. The next prime is 11403120017. The reversal of 11403120013 is 31002130411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8630781604 + 2772338409 = 92902^2 + 52653^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11403120013 is a prime.

It is a super-2 number, since 2×11403120013² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11403120017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5701560006 + 5701560007.

It is an arithmetic number, because the mean of its divisors is an integer number (5701560007).

Almost surely, 2^11403120013 is an apocalyptic number.

It is an amenable number.

11403120013 is a deficient number, since it is larger than the sum of its proper divisors (1).

11403120013 is an equidigital number, since it uses as much as digits as its factorization.

11403120013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 11403120013 its reverse (31002130411), we get a palindrome (42405250424).

The spelling of 11403120013 in words is "eleven billion, four hundred three million, one hundred twenty thousand, thirteen".