11200051434 has 128 divisors (see below), whose sum is σ = 27549849600. Its totient is φ = 2986917120.

The previous prime is 11200051433. The next prime is 11200051477. The reversal of 11200051434 is 43415000211.

It is a self number, because there is not a number n which added to its sum of digits gives 11200051434.

It is not an unprimeable number, because it can be changed into a prime (11200051433) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7675797 + ... + 7677255.

It is an arithmetic number, because the mean of its divisors is an integer number (215233200).

Almost surely, 2^11200051434 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11200051434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13774924800).

11200051434 is an abundant number, since it is smaller than the sum of its proper divisors (16349798166).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11200051434 is a wasteful number, since it uses less digits than its factorization.

11200051434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1900.

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 11200051434 its reverse (43415000211), we get a palindrome (54615051645).

The spelling of 11200051434 in words is "eleven billion, two hundred million, fifty-one thousand, four hundred thirty-four".