238988111361 has 4 divisors (see below), whose sum is σ = 318650815152. Its totient is φ = 159325407572.

The previous prime is 238988111359. The next prime is 238988111399. The reversal of 238988111361 is 163111889832.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 238988111361 - 2¹ = 238988111359 is a prime.

It is not an unprimeable number, because it can be changed into a prime (238988113361) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39831351891 + ... + 39831351896.

It is an arithmetic number, because the mean of its divisors is an integer number (79662703788).

Almost surely, 2^238988111361 is an apocalyptic number.

It is an amenable number.

238988111361 is a deficient number, since it is larger than the sum of its proper divisors (79662703791).

238988111361 is an equidigital number, since it uses as much as digits as its factorization.

238988111361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79662703790.

The product of its digits is 497664, while the sum is 51.

The spelling of 238988111361 in words is "two hundred thirty-eight billion, nine hundred eighty-eight million, one hundred eleven thousand, three hundred sixty-one".