1135802180 has 24 divisors (see below), whose sum is σ = 2462127360. Its totient is φ = 439665120.

The previous prime is 1135802153. The next prime is 1135802207. The reversal of 1135802180 is 812085311.

It is an interprime number because it is at equal distance from previous prime (1135802153) and next prime (1135802207).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 915350 + ... + 916589.

It is an arithmetic number, because the mean of its divisors is an integer number (102588640).

Almost surely, 2^1135802180 is an apocalyptic number.

1135802180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1135802180 is an abundant number, since it is smaller than the sum of its proper divisors (1326325180).

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

1135802180 is a wasteful number, since it uses less digits than its factorization.

1135802180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1831979 (or 1831977 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 29.

The square root of 1135802180 is about 33701.6643505925. The cubic root of 1135802180 is about 1043.3601195771.

Adding to 1135802180 its reverse (812085311), we get a palindrome (1947887491).

The spelling of 1135802180 in words is "one billion, one hundred thirty-five million, eight hundred two thousand, one hundred eighty".