378124128705 has 16 divisors (see below), whose sum is σ = 613286259840. Its totient is φ = 198903650688.

The previous prime is 378124128703. The next prime is 378124128713. The reversal of 378124128705 is 507821421873.

It is not a de Polignac number, because 378124128705 - 2¹ = 378124128703 is a prime.

It is not an unprimeable number, because it can be changed into a prime (378124128703) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 172658325 + ... + 172660514.

It is an arithmetic number, because the mean of its divisors is an integer number (38330391240).

Almost surely, 2^378124128705 is an apocalyptic number.

It is an amenable number.

378124128705 is a deficient number, since it is larger than the sum of its proper divisors (235162131135).

378124128705 is a wasteful number, since it uses less digits than its factorization.

378124128705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345318920.

The product of its (nonzero) digits is 752640, while the sum is 48.

The spelling of 378124128705 in words is "three hundred seventy-eight billion, one hundred twenty-four million, one hundred twenty-eight thousand, seven hundred five".