21569056950116 has 24 divisors (see below), whose sum is σ = 40649853552000. Its totient is φ = 9954832547232.

The previous prime is 21569056950109. The next prime is 21569056950121. The reversal of 21569056950116 is 61105965096512.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2121635 + ... + 6902133.

It is an arithmetic number, because the mean of its divisors is an integer number (1693743898000).

Almost surely, 2^{21569056950116} is an apocalyptic number.

21569056950116 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

21569056950116 is a deficient number, since it is larger than the sum of its proper divisors (19080796601884).

21569056950116 is a wasteful number, since it uses less digits than its factorization.

21569056950116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4867283 (or 4867281 counting only the distinct ones).

The product of its (nonzero) digits is 4374000, while the sum is 56.

The spelling of 21569056950116 in words is "twenty-one trillion, five hundred sixty-nine billion, fifty-six million, nine hundred fifty thousand, one hundred sixteen".