11251134013436 has 24 divisors (see below), whose sum is σ = 19695831449280. Its totient is φ = 5623753881600.

The previous prime is 11251134013321. The next prime is 11251134013439. The reversal of 11251134013436 is 63431043115211.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11251134013396 and 11251134013405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11251134013439) 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, 204505100 + ... + 204560108.

It is an arithmetic number, because the mean of its divisors is an integer number (820659643720).

Almost surely, 2^{11251134013436} is an apocalyptic number.

It is an amenable number.

11251134013436 is a deficient number, since it is larger than the sum of its proper divisors (8444697435844).

11251134013436 is a wasteful number, since it uses less digits than its factorization.

11251134013436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70565 (or 70563 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 35.

Adding to 11251134013436 its reverse (63431043115211), we get a palindrome (74682177128647).

The spelling of 11251134013436 in words is "eleven trillion, two hundred fifty-one billion, one hundred thirty-four million, thirteen thousand, four hundred thirty-six".