21355414751134 has 8 divisors (see below), whose sum is σ = 32033141733600. Its totient is φ = 10677700839936.

The previous prime is 21355414751131. The next prime is 21355414751149. The reversal of 21355414751134 is 43115741455312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21355414751131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4826142 + ... + 8124190.

It is an arithmetic number, because the mean of its divisors is an integer number (4004142716700).

Almost surely, 2^{21355414751134} is an apocalyptic number.

21355414751134 is a deficient number, since it is larger than the sum of its proper divisors (10677726982466).

21355414751134 is a wasteful number, since it uses less digits than its factorization.

21355414751134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6535634.

The product of its digits is 1008000, while the sum is 46.

The spelling of 21355414751134 in words is "twenty-one trillion, three hundred fifty-five billion, four hundred fourteen million, seven hundred fifty-one thousand, one hundred thirty-four".