111161313063 has 16 divisors (see below), whose sum is σ = 164758133760. Its totient is φ = 74073923928.

The previous prime is 111161313061. The next prime is 111161313089. The reversal of 111161313063 is 360313161111.

111161313063 is a `hidden beast` number, since 1 + 1 + 11 + 613 + 1 + 30 + 6 + 3 = 666.

It is not a de Polignac number, because 111161313063 - 2¹ = 111161313061 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111161313061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 873145 + ... + 992322.

It is an arithmetic number, because the mean of its divisors is an integer number (10297383360).

Almost surely, 2^111161313063 is an apocalyptic number.

111161313063 is a deficient number, since it is larger than the sum of its proper divisors (53596820697).

111161313063 is a wasteful number, since it uses less digits than its factorization.

111161313063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1867683 (or 1867677 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

Adding to 111161313063 its reverse (360313161111), we get a palindrome (471474474174).

The spelling of 111161313063 in words is "one hundred eleven billion, one hundred sixty-one million, three hundred thirteen thousand, sixty-three".