11131143401 has 8 divisors (see below), whose sum is σ = 12721977984. Its totient is φ = 9540476640.

The previous prime is 11131143383. The next prime is 11131143409. The reversal of 11131143401 is 10434113111.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11131143401 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11131143409) 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, 174956 + ... + 229938.

It is an arithmetic number, because the mean of its divisors is an integer number (1590247248).

Almost surely, 2^11131143401 is an apocalyptic number.

It is an amenable number.

11131143401 is a deficient number, since it is larger than the sum of its proper divisors (1590834583).

11131143401 is an equidigital number, since it uses as much as digits as its factorization.

11131143401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83911.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 11131143401 its reverse (10434113111), we get a palindrome (21565256512).

The spelling of 11131143401 in words is "eleven billion, one hundred thirty-one million, one hundred forty-three thousand, four hundred one".