21101115745358 has 8 divisors (see below), whose sum is σ = 34529098492440. Its totient is φ = 9591416247880.

The previous prime is 21101115745331. The next prime is 21101115745361. The reversal of 21101115745358 is 85354751110112.

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

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 479570812373 + ... + 479570812416.

It is an arithmetic number, because the mean of its divisors is an integer number (4316137311555).

Almost surely, 2^{21101115745358} is an apocalyptic number.

21101115745358 is a deficient number, since it is larger than the sum of its proper divisors (13427982747082).

21101115745358 is a wasteful number, since it uses less digits than its factorization.

21101115745358 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 959141624802.

The product of its (nonzero) digits is 168000, while the sum is 44.

The spelling of 21101115745358 in words is "twenty-one trillion, one hundred one billion, one hundred fifteen million, seven hundred forty-five thousand, three hundred fifty-eight".