11431500202401 has 4 divisors (see below), whose sum is σ = 15242000269872. Its totient is φ = 7621000134932.

The previous prime is 11431500202393. The next prime is 11431500202487. The reversal of 11431500202401 is 10420200513411.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11431500202401 - 2³ = 11431500202393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11431500202601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1905250033731 + ... + 1905250033736.

It is an arithmetic number, because the mean of its divisors is an integer number (3810500067468).

Almost surely, 2^{11431500202401} is an apocalyptic number.

It is an amenable number.

11431500202401 is a deficient number, since it is larger than the sum of its proper divisors (3810500067471).

11431500202401 is an equidigital number, since it uses as much as digits as its factorization.

11431500202401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3810500067470.

The product of its (nonzero) digits is 960, while the sum is 24.

Adding to 11431500202401 its reverse (10420200513411), we get a palindrome (21851700715812).

The spelling of 11431500202401 in words is "eleven trillion, four hundred thirty-one billion, five hundred million, two hundred two thousand, four hundred one".