378233053551 has 20 divisors (see below), whose sum is σ = 565399089024. Its totient is φ = 251983872000.

The previous prime is 378233053547. The next prime is 378233053573. The reversal of 378233053551 is 155350332873.

378233053551 is a `hidden beast` number, since 3 + 7 + 82 + 3 + 30 + 535 + 5 + 1 = 666.

It is not a de Polignac number, because 378233053551 - 2² = 378233053547 is a prime.

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

It is a junction number, because it is equal to n+sod(n) for n = 378233053497 and 378233053506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378233053511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1468050 + ... + 1706351.

Almost surely, 2^378233053551 is an apocalyptic number.

378233053551 is a deficient number, since it is larger than the sum of its proper divisors (187166035473).

378233053551 is a wasteful number, since it uses less digits than its factorization.

378233053551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3175884 (or 3175875 counting only the distinct ones).

The product of its (nonzero) digits is 1134000, while the sum is 45.

The spelling of 378233053551 in words is "three hundred seventy-eight billion, two hundred thirty-three million, fifty-three thousand, five hundred fifty-one".