5078436911 has 4 divisors (see below), whose sum is σ = 5377168512. Its totient is φ = 4779705312.

The previous prime is 5078436899. The next prime is 5078436919. The reversal of 5078436911 is 1196348705.

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

It is a de Polignac number, because none of the positive numbers 2^k-5078436911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5078436919) 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, 149365775 + ... + 149365808.

It is an arithmetic number, because the mean of its divisors is an integer number (1344292128).

Almost surely, 2^5078436911 is an apocalyptic number.

5078436911 is a deficient number, since it is larger than the sum of its proper divisors (298731601).

5078436911 is a wasteful number, since it uses less digits than its factorization.

5078436911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298731600.

The product of its (nonzero) digits is 181440, while the sum is 44.

The square root of 5078436911 is about 71263.1525474421. The cubic root of 5078436911 is about 1718.8712748436.

The spelling of 5078436911 in words is "five billion, seventy-eight million, four hundred thirty-six thousand, nine hundred eleven".