11311401020403 has 8 divisors (see below), whose sum is σ = 16452946938816. Its totient is φ = 6855394557800.

The previous prime is 11311401020401. The next prime is 11311401020419. The reversal of 11311401020403 is 30402010411311.

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

It is a cyclic number.

It is not a de Polignac number, because 11311401020403 - 2¹ = 11311401020401 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11311401020403.

It is not an unprimeable number, because it can be changed into a prime (11311401020401) 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, 171384863913 + ... + 171384863978.

It is an arithmetic number, because the mean of its divisors is an integer number (2056618367352).

Almost surely, 2^{11311401020403} is an apocalyptic number.

11311401020403 is a deficient number, since it is larger than the sum of its proper divisors (5141545918413).

11311401020403 is a wasteful number, since it uses less digits than its factorization.

11311401020403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342769727905.

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

Adding to 11311401020403 its reverse (30402010411311), we get a palindrome (41713411431714).

The spelling of 11311401020403 in words is "eleven trillion, three hundred eleven billion, four hundred one million, twenty thousand, four hundred three".