13111402454403 has 8 divisors (see below), whose sum is σ = 19071130842816. Its totient is φ = 7946304517800.

The previous prime is 13111402454383. The next prime is 13111402454519. The reversal of 13111402454403 is 30445420411131.

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

It is not a de Polignac number, because 13111402454403 - 2¹⁰ = 13111402453379 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 397315225891 = 13111402454403 / (1 + 3 + 1 + 1 + 1 + 4 + 0 + 2 + 4 + 5 + 4 + 4 + 0 + 3).

It is not an unprimeable number, because it can be changed into a prime (13111402454303) 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, 198657612913 + ... + 198657612978.

It is an arithmetic number, because the mean of its divisors is an integer number (2383891355352).

Almost surely, 2^{13111402454403} is an apocalyptic number.

13111402454403 is a deficient number, since it is larger than the sum of its proper divisors (5959728388413).

13111402454403 is a wasteful number, since it uses less digits than its factorization.

13111402454403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397315225905.

The product of its (nonzero) digits is 23040, while the sum is 33.

Adding to 13111402454403 its reverse (30445420411131), we get a palindrome (43556822865534).

The spelling of 13111402454403 in words is "thirteen trillion, one hundred eleven billion, four hundred two million, four hundred fifty-four thousand, four hundred three".