199301901755 has 24 divisors (see below), whose sum is σ = 271360908672. Its totient is φ = 140271120000.

The previous prime is 199301901677. The next prime is 199301901767. The reversal of 199301901755 is 557109103991.

It is not a de Polignac number, because 199301901755 - 2⁸ = 199301901499 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5294546 + ... + 5332055.

It is an arithmetic number, because the mean of its divisors is an integer number (11306704528).

Almost surely, 2^199301901755 is an apocalyptic number.

199301901755 is a deficient number, since it is larger than the sum of its proper divisors (72059006917).

199301901755 is a wasteful number, since it uses less digits than its factorization.

199301901755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10626659 (or 10626648 counting only the distinct ones).

The product of its (nonzero) digits is 382725, while the sum is 50.

The spelling of 199301901755 in words is "one hundred ninety-nine billion, three hundred one million, nine hundred one thousand, seven hundred fifty-five".