11020301988 has 24 divisors (see below), whose sum is σ = 25727126208. Its totient is φ = 3671564256.

The previous prime is 11020301987. The next prime is 11020301989. The reversal of 11020301988 is 88910302011.

It is an interprime number because it is at equal distance from previous prime (11020301987) and next prime (11020301989).

It is a super-5 number, since 5×11020301988⁵ (a number of 51 digits) contains 55555 as substring.

It is not an unprimeable number, because it can be changed into a prime (11020301987) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 209056 + ... + 256407.

It is an arithmetic number, because the mean of its divisors is an integer number (1071963592).

Almost surely, 2^11020301988 is an apocalyptic number.

It is an amenable number.

11020301988 is an abundant number, since it is smaller than the sum of its proper divisors (14706824220).

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

11020301988 is a wasteful number, since it uses less digits than its factorization.

11020301988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467443 (or 467441 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 33.

Adding to 11020301988 its reverse (88910302011), we get a palindrome (99930603999).

The spelling of 11020301988 in words is "eleven billion, twenty million, three hundred one thousand, nine hundred eighty-eight".