5111278 has 4 divisors (see below), whose sum is σ = 7666920. Its totient is φ = 2555638.

The previous prime is 5111261. The next prime is 5111287. The reversal of 5111278 is 8721115.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×5111278² = 52250325586568, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1277818 + ... + 1277821.

It is an arithmetic number, because the mean of its divisors is an integer number (1916730).

Almost surely, 2^5111278 is an apocalyptic number.

5111278 is a deficient number, since it is larger than the sum of its proper divisors (2555642).

5111278 is a wasteful number, since it uses less digits than its factorization.

5111278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2555641.

The product of its digits is 560, while the sum is 25.

The square root of 5111278 is about 2260.8135703768. The cubic root of 5111278 is about 172.2568498915.

The spelling of 5111278 in words is "five million, one hundred eleven thousand, two hundred seventy-eight".