11298220520 has 16 divisors (see below), whose sum is σ = 25420996260. Its totient is φ = 4519288192.

The previous prime is 11298220511. The next prime is 11298220541. The reversal of 11298220520 is 2502289211.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 9369078436 + 1929142084 = 96794^2 + 43922^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141227717 + ... + 141227796.

Almost surely, 2^11298220520 is an apocalyptic number.

11298220520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11298220520 is an abundant number, since it is smaller than the sum of its proper divisors (14122775740).

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

11298220520 is a wasteful number, since it uses less digits than its factorization.

11298220520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282455524 (or 282455520 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 32.

The spelling of 11298220520 in words is "eleven billion, two hundred ninety-eight million, two hundred twenty thousand, five hundred twenty".