5405112111 has 16 divisors (see below), whose sum is σ = 8286896384. Its totient is φ = 3069684864.

The previous prime is 5405112109. The next prime is 5405112121. The reversal of 5405112111 is 1112115045.

It is not a de Polignac number, because 5405112111 - 2¹ = 5405112109 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5405112121) 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, 786106 + ... + 792951.

It is an arithmetic number, because the mean of its divisors is an integer number (517931024).

Almost surely, 2^5405112111 is an apocalyptic number.

5405112111 is a deficient number, since it is larger than the sum of its proper divisors (2881784273).

5405112111 is a wasteful number, since it uses less digits than its factorization.

5405112111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1579230.

The product of its (nonzero) digits is 200, while the sum is 21.

The square root of 5405112111 is about 73519.4675647206. The cubic root of 5405112111 is about 1754.9640943620.

Adding to 5405112111 its reverse (1112115045), we get a palindrome (6517227156).

The spelling of 5405112111 in words is "five billion, four hundred five million, one hundred twelve thousand, one hundred eleven".