19852638441755 has 64 divisors (see below), whose sum is σ = 27403733790720. Its totient is φ = 13524952320000.

The previous prime is 19852638441697. The next prime is 19852638441799. The reversal of 19852638441755 is 55714483625891.

It is not a de Polignac number, because 19852638441755 - 2²² = 19852634247451 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6229254272 + ... + 6229257458.

It is an arithmetic number, because the mean of its divisors is an integer number (428183340480).

Almost surely, 2^{19852638441755} is an apocalyptic number.

19852638441755 is a deficient number, since it is larger than the sum of its proper divisors (7551095348965).

19852638441755 is a wasteful number, since it uses less digits than its factorization.

19852638441755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5100.

The product of its digits is 290304000, while the sum is 68.

The spelling of 19852638441755 in words is "nineteen trillion, eight hundred fifty-two billion, six hundred thirty-eight million, four hundred forty-one thousand, seven hundred fifty-five".