21115514061341 has 16 divisors (see below), whose sum is σ = 25068607142400. Its totient is φ = 17401791378048.

The previous prime is 21115514061329. The next prime is 21115514061377. The reversal of 21115514061341 is 14316041551112.

It is not a de Polignac number, because 21115514061341 - 2²⁶ = 21115446952477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21115514001341) 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, 217560920 + ... + 217657953.

It is an arithmetic number, because the mean of its divisors is an integer number (1566787946400).

Almost surely, 2^{21115514061341} is an apocalyptic number.

It is an amenable number.

21115514061341 is a deficient number, since it is larger than the sum of its proper divisors (3953093081059).

21115514061341 is a wasteful number, since it uses less digits than its factorization.

21115514061341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435219148.

The product of its (nonzero) digits is 14400, while the sum is 35.

The spelling of 21115514061341 in words is "twenty-one trillion, one hundred fifteen billion, five hundred fourteen million, sixty-one thousand, three hundred forty-one".