5111789490 has 48 divisors (see below), whose sum is σ = 13358164248. Its totient is φ = 1356219648.

The previous prime is 5111789489. The next prime is 5111789503. The reversal of 5111789490 is 949871115.

It is a happy number.

5111789490 is a `hidden beast` number, since 511 + 17 + 89 + 49 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 4444755561 + 667033929 = 66669^2 + 25827^2 .

It is a super-2 number, since 2×5111789490² = 52260783580148920200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 126427 + ... + 161886.

Almost surely, 2^5111789490 is an apocalyptic number.

5111789490 is an abundant number, since it is smaller than the sum of its proper divisors (8246374758).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5111789490 is a wasteful number, since it uses less digits than its factorization.

5111789490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288523 (or 288520 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 45.

The square root of 5111789490 is about 71496.7795778243. The cubic root of 5111789490 is about 1722.6259566373.

The spelling of 5111789490 in words is "five billion, one hundred eleven million, seven hundred eighty-nine thousand, four hundred ninety".