5511218490 has 48 divisors (see below), whose sum is σ = 14344680168. Its totient is φ = 1468067328.

The previous prime is 5511218473. The next prime is 5511218507. The reversal of 5511218490 is 948121155.

5511218490 is a `hidden beast` number, since 55 + 112 + 1 + 8 + 490 = 666.

It is an interprime number because it is at equal distance from previous prime (5511218473) and next prime (5511218507).

It can be written as a sum of positive squares in 4 ways, for example, as 4165282521 + 1345935969 = 64539^2 + 36687^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 51654 + ... + 117006.

Almost surely, 2^5511218490 is an apocalyptic number.

5511218490 is an abundant number, since it is smaller than the sum of its proper divisors (8833461678).

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

5511218490 is a wasteful number, since it uses less digits than its factorization.

5511218490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66303 (or 66300 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 36.

The square root of 5511218490 is about 74237.5813857106. The cubic root of 5511218490 is about 1766.3735094834.

The spelling of 5511218490 in words is "five billion, five hundred eleven million, two hundred eighteen thousand, four hundred ninety".