5155111 has 4 divisors (see below), whose sum is σ = 5551672. Its totient is φ = 4758552.

The previous prime is 5155109. The next prime is 5155133. The reversal of 5155111 is 1115515.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1115515 = 5 ⋅223103.

It is a cyclic number.

It is not a de Polignac number, because 5155111 - 2¹ = 5155109 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5155511) 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, 198261 + ... + 198286.

It is an arithmetic number, because the mean of its divisors is an integer number (1387918).

Almost surely, 2^5155111 is an apocalyptic number.

5155111 is a deficient number, since it is larger than the sum of its proper divisors (396561).

5155111 is a wasteful number, since it uses less digits than its factorization.

5155111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396560.

The product of its digits is 125, while the sum is 19.

The square root of 5155111 is about 2270.4869521757. The cubic root of 5155111 is about 172.7478590506.

The spelling of 5155111 in words is "five million, one hundred fifty-five thousand, one hundred eleven".