5156811 has 32 divisors (see below), whose sum is σ = 8467200. Its totient is φ = 3075840.

The previous prime is 5156803. The next prime is 5156813. The reversal of 5156811 is 1186515.

It is not a de Polignac number, because 5156811 - 2³ = 5156803 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (5156813) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28720 + ... + 28898.

It is an arithmetic number, because the mean of its divisors is an integer number (264600).

Almost surely, 2^5156811 is an apocalyptic number.

5156811 is a deficient number, since it is larger than the sum of its proper divisors (3310389).

5156811 is a wasteful number, since it uses less digits than its factorization.

5156811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296 (or 290 counting only the distinct ones).

The product of its digits is 1200, while the sum is 27.

The square root of 5156811 is about 2270.8612903478. The cubic root of 5156811 is about 172.7668459735.

It can be divided in two parts, 5 and 156811, that added together give a square (156816 = 396²).

The spelling of 5156811 in words is "five million, one hundred fifty-six thousand, eight hundred eleven".