11143534415401 has 4 divisors (see below), whose sum is σ = 11165688559872. Its totient is φ = 11121380270932.

The previous prime is 11143534415393. The next prime is 11143534415449. The reversal of 11143534415401 is 10451443534111.

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 11143534415401 - 2³ = 11143534415393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11143534415501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11077071481 + ... + 11077072486.

It is an arithmetic number, because the mean of its divisors is an integer number (2791422139968).

Almost surely, 2^{11143534415401} is an apocalyptic number.

It is an amenable number.

11143534415401 is a deficient number, since it is larger than the sum of its proper divisors (22154144471).

11143534415401 is an equidigital number, since it uses as much as digits as its factorization.

11143534415401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22154144470.

The product of its (nonzero) digits is 57600, while the sum is 37.

Adding to 11143534415401 its reverse (10451443534111), we get a palindrome (21594977949512).

The spelling of 11143534415401 in words is "eleven trillion, one hundred forty-three billion, five hundred thirty-four million, four hundred fifteen thousand, four hundred one".