21341551134 has 16 divisors (see below), whose sum is σ = 43382826000. Its totient is φ = 6997229760.

The previous prime is 21341551111. The next prime is 21341551177. The reversal of 21341551134 is 43115514312.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29154759 + ... + 29155490.

It is an arithmetic number, because the mean of its divisors is an integer number (2711426625).

Almost surely, 2^21341551134 is an apocalyptic number.

21341551134 is an abundant number, since it is smaller than the sum of its proper divisors (22041274866).

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

21341551134 is a wasteful number, since it uses less digits than its factorization.

21341551134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58310315.

The product of its digits is 7200, while the sum is 30.

The spelling of 21341551134 in words is "twenty-one billion, three hundred forty-one million, five hundred fifty-one thousand, one hundred thirty-four".