11421001134 has 20 divisors (see below), whose sum is σ = 25591502904. Its totient is φ = 3807000324.

The previous prime is 11421001087. The next prime is 11421001139. The reversal of 11421001134 is 43110012411.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11421001139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 35249842 + ... + 35250165.

Almost surely, 2^11421001134 is an apocalyptic number.

11421001134 is an abundant number, since it is smaller than the sum of its proper divisors (14170501770).

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

11421001134 is an equidigital number, since it uses as much as digits as its factorization.

11421001134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70500021 (or 70500012 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 11421001134 its reverse (43110012411), we get a palindrome (54531013545).

The spelling of 11421001134 in words is "eleven billion, four hundred twenty-one million, one thousand, one hundred thirty-four".