195400105505 has 48 divisors (see below), whose sum is σ = 262660104000. Its totient is φ = 139403510400.

The previous prime is 195400105489. The next prime is 195400105513. The reversal of 195400105505 is 505501004591.

It is not a de Polignac number, because 195400105505 - 2⁴ = 195400105489 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17520671 + ... + 17531819.

It is an arithmetic number, because the mean of its divisors is an integer number (5472085500).

Almost surely, 2^195400105505 is an apocalyptic number.

It is an amenable number.

195400105505 is a deficient number, since it is larger than the sum of its proper divisors (67259998495).

195400105505 is a wasteful number, since it uses less digits than its factorization.

195400105505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11726 (or 11715 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 35.

The spelling of 195400105505 in words is "one hundred ninety-five billion, four hundred million, one hundred five thousand, five hundred five".