199052062561 has 12 divisors (see below), whose sum is σ = 218410510320. Its totient is φ = 179910132080.

The previous prime is 199052062513. The next prime is 199052062577. The reversal of 199052062561 is 165260250991.

It is not a de Polignac number, because 199052062561 - 2³³ = 190462127969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (199052062511) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26910 + ... + 631528.

It is an arithmetic number, because the mean of its divisors is an integer number (18200875860).

Almost surely, 2^199052062561 is an apocalyptic number.

199052062561 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

199052062561 is a deficient number, since it is larger than the sum of its proper divisors (19358447759).

199052062561 is an equidigital number, since it uses as much as digits as its factorization.

199052062561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 604976 (or 604803 counting only the distinct ones).

The product of its (nonzero) digits is 291600, while the sum is 46.

The spelling of 199052062561 in words is "one hundred ninety-nine billion, fifty-two million, sixty-two thousand, five hundred sixty-one".