5511298618 has 20 divisors (see below), whose sum is σ = 9644207130. Its totient is φ = 2361983064.

The previous prime is 5511298589. The next prime is 5511298621. The reversal of 5511298618 is 8168921155.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 3027970729 + 2483327889 = 55027^2 + 49833^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 569053 + ... + 578656.

Almost surely, 2^5511298618 is an apocalyptic number.

5511298618 is a deficient number, since it is larger than the sum of its proper divisors (4132908512).

5511298618 is an equidigital number, since it uses as much as digits as its factorization.

5511298618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1147739 (or 1147718 counting only the distinct ones).

The product of its digits is 172800, while the sum is 46.

The square root of 5511298618 is about 74238.1210565030. The cubic root of 5511298618 is about 1766.3820699189.

The spelling of 5511298618 in words is "five billion, five hundred eleven million, two hundred ninety-eight thousand, six hundred eighteen".