1151163480 has 64 divisors (see below), whose sum is σ = 3526986240. Its totient is φ = 300444032.

The previous prime is 1151163479. The next prime is 1151163487. The reversal of 1151163480 is 843611511.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1151163487) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96414 + ... + 107693.

It is an arithmetic number, because the mean of its divisors is an integer number (55109160).

Almost surely, 2^1151163480 is an apocalyptic number.

1151163480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1151163480 is an abundant number, since it is smaller than the sum of its proper divisors (2375822760).

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

1151163480 is a wasteful number, since it uses less digits than its factorization.

1151163480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204168 (or 204164 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 30.

The square root of 1151163480 is about 33928.8001556200. The cubic root of 1151163480 is about 1048.0427575158.

Adding to 1151163480 its reverse (843611511), we get a palindrome (1994774991).

The spelling of 1151163480 in words is "one billion, one hundred fifty-one million, one hundred sixty-three thousand, four hundred eighty".