11113231410551 has 4 divisors (see below), whose sum is σ = 11184016324152. Its totient is φ = 11042446496952.

The previous prime is 11113231410521. The next prime is 11113231410587. The reversal of 11113231410551 is 15501413231111.

11113231410551 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11113231410551 is a prime.

It is a super-2 number, since 2×11113231410551² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11113231410521) 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, 35392456565 + ... + 35392456878.

It is an arithmetic number, because the mean of its divisors is an integer number (2796004081038).

Almost surely, 2^{11113231410551} is an apocalyptic number.

11113231410551 is a deficient number, since it is larger than the sum of its proper divisors (70784913601).

11113231410551 is an equidigital number, since it uses as much as digits as its factorization.

11113231410551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70784913600.

The product of its (nonzero) digits is 1800, while the sum is 29.

Adding to 11113231410551 its reverse (15501413231111), we get a palindrome (26614644641662).

The spelling of 11113231410551 in words is "eleven trillion, one hundred thirteen billion, two hundred thirty-one million, four hundred ten thousand, five hundred fifty-one".