378611371125 has 128 divisors (see below), whose sum is σ = 798203427840. Its totient is φ = 175428633600.

The previous prime is 378611371123. The next prime is 378611371139. The reversal of 378611371125 is 521173116873.

378611371125 is a `hidden beast` number, since 3 + 7 + 8 + 611 + 3 + 7 + 1 + 1 + 25 = 666.

It is not a de Polignac number, because 378611371125 - 2¹ = 378611371123 is a prime.

It is a super-3 number, since 3×378611371125³ (a number of 36 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378611371123) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 492072 + ... + 999678.

It is an arithmetic number, because the mean of its divisors is an integer number (6235964280).

Almost surely, 2^378611371125 is an apocalyptic number.

It is an amenable number.

378611371125 is an abundant number, since it is smaller than the sum of its proper divisors (419592056715).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

378611371125 is a wasteful number, since it uses less digits than its factorization.

378611371125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507661 (or 507645 counting only the distinct ones).

The product of its digits is 211680, while the sum is 45.

Adding to 378611371125 its reverse (521173116873), we get a palindrome (899784487998).

The spelling of 378611371125 in words is "three hundred seventy-eight billion, six hundred eleven million, three hundred seventy-one thousand, one hundred twenty-five".