5381601111 has 18 divisors (see below), whose sum is σ = 8126100528. Its totient is φ = 3431742600.

The previous prime is 5381601101. The next prime is 5381601131. The reversal of 5381601111 is 1111061835.

It is a happy number.

5381601111 is a `hidden beast` number, since 53 + 8 + 1 + 601 + 1 + 1 + 1 = 666.

It is not a de Polignac number, because 5381601111 - 2⁶ = 5381601047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5381601101) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 560415 + ... + 569936.

Almost surely, 2^5381601111 is an apocalyptic number.

5381601111 is a deficient number, since it is larger than the sum of its proper divisors (2744499417).

5381601111 is a wasteful number, since it uses less digits than its factorization.

5381601111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1130403 (or 1130377 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 27.

The square root of 5381601111 is about 73359.3968827443. The cubic root of 5381601111 is about 1752.4158320128.

Adding to 5381601111 its reverse (1111061835), we get a palindrome (6492662946).

The spelling of 5381601111 in words is "five billion, three hundred eighty-one million, six hundred one thousand, one hundred eleven".