189932411505 has 16 divisors (see below), whose sum is σ = 317104548480. Its totient is φ = 96893056128.

The previous prime is 189932411467. The next prime is 189932411573. The reversal of 189932411505 is 505114239981.

189932411505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 189932411505 - 2⁶ = 189932411441 is a prime.

It is a Curzon 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 15 ways as a sum of consecutive naturals, for example, 275264020 + ... + 275264709.

It is an arithmetic number, because the mean of its divisors is an integer number (19819034280).

Almost surely, 2^189932411505 is an apocalyptic number.

189932411505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

189932411505 is a deficient number, since it is larger than the sum of its proper divisors (127172136975).

189932411505 is a wasteful number, since it uses less digits than its factorization.

189932411505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550528760.

The product of its (nonzero) digits is 388800, while the sum is 48.

The spelling of 189932411505 in words is "one hundred eighty-nine billion, nine hundred thirty-two million, four hundred eleven thousand, five hundred five".