21054410141049 has 16 divisors (see below), whose sum is σ = 32197903203840. Its totient is φ = 13583490413040.

The previous prime is 21054410141029. The next prime is 21054410141059. The reversal of 21054410141049 is 94014101445012.

21054410141049 is a `hidden beast` number, since 2 + 1 + 0 + 544 + 1 + 0 + 1 + 4 + 104 + 9 = 666.

It is not a de Polignac number, because 21054410141049 - 2⁷ = 21054410140921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21054410141029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12577305102 + ... + 12577306775.

It is an arithmetic number, because the mean of its divisors is an integer number (2012368950240).

Almost surely, 2^{21054410141049} is an apocalyptic number.

It is an amenable number.

21054410141049 is a deficient number, since it is larger than the sum of its proper divisors (11143493062791).

21054410141049 is a wasteful number, since it uses less digits than its factorization.

21054410141049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25154611917 (or 25154611911 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The spelling of 21054410141049 in words is "twenty-one trillion, fifty-four billion, four hundred ten million, one hundred forty-one thousand, forty-nine".