378376211311161 has 8 divisors (see below), whose sum is σ = 576573274378944. Its totient is φ = 216214977892080.

The previous prime is 378376211311117. The next prime is 378376211311321. The reversal of 378376211311161 is 161113112673873.

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

It is not a de Polignac number, because 378376211311161 - 2⁶ = 378376211311097 is a prime.

It is a super-2 number, since 2×378376211311161² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (378376211311361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9008957412150 + ... + 9008957412191.

It is an arithmetic number, because the mean of its divisors is an integer number (72071659297368).

Almost surely, 2^{378376211311161} is an apocalyptic number.

It is an amenable number.

378376211311161 is a deficient number, since it is larger than the sum of its proper divisors (198197063067783).

378376211311161 is a wasteful number, since it uses less digits than its factorization.

378376211311161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18017914824351.

The product of its digits is 762048, while the sum is 51.

The spelling of 378376211311161 in words is "three hundred seventy-eight trillion, three hundred seventy-six billion, two hundred eleven million, three hundred eleven thousand, one hundred sixty-one".