11421005134 has 32 divisors (see below), whose sum is σ = 21372406272. Its totient is φ = 4446900000.

The previous prime is 11421005131. The next prime is 11421005147. The reversal of 11421005134 is 43150012411.

It is a super-4 number, since 4×11421005134⁴ (a number of 41 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11421005131) 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 15 ways as a sum of consecutive naturals, for example, 226759 + ... + 272509.

It is an arithmetic number, because the mean of its divisors is an integer number (667887696).

Almost surely, 2^11421005134 is an apocalyptic number.

11421005134 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

11421005134 is a deficient number, since it is larger than the sum of its proper divisors (9951401138).

11421005134 is a wasteful number, since it uses less digits than its factorization.

11421005134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47392.

The product of its (nonzero) digits is 480, while the sum is 22.

Adding to 11421005134 its reverse (43150012411), we get a palindrome (54571017545).

The spelling of 11421005134 in words is "eleven billion, four hundred twenty-one million, five thousand, one hundred thirty-four".