378805108611 has 8 divisors (see below), whose sum is σ = 506198365200. Its totient is φ = 251974295552.

The previous prime is 378805108609. The next prime is 378805108637. The reversal of 378805108611 is 116801508873.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 378805108611 - 2¹ = 378805108609 is a prime.

It is a super-3 number, since 3×378805108611³ (a number of 36 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (378805108511) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 140609310 + ... + 140612003.

It is an arithmetic number, because the mean of its divisors is an integer number (63274795650).

Almost surely, 2^378805108611 is an apocalyptic number.

378805108611 is a deficient number, since it is larger than the sum of its proper divisors (127393256589).

378805108611 is a wasteful number, since it uses less digits than its factorization.

378805108611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281221765.

The product of its (nonzero) digits is 322560, while the sum is 48.

The spelling of 378805108611 in words is "three hundred seventy-eight billion, eight hundred five million, one hundred eight thousand, six hundred eleven".