1161501152 has 48 divisors (see below), whose sum is σ = 2616600672. Its totient is φ = 497172480.

The previous prime is 1161501137. The next prime is 1161501161. The reversal of 1161501152 is 2511051611.

It is a congruent number.

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, 210752 + ... + 216192.

It is an arithmetic number, because the mean of its divisors is an integer number (54512514).

Almost surely, 2^1161501152 is an apocalyptic number.

It is an amenable number.

1161501152 is an abundant number, since it is smaller than the sum of its proper divisors (1455099520).

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

1161501152 is an equidigital number, since it uses as much as digits as its factorization.

1161501152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6411 (or 6403 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 23.

The square root of 1161501152 is about 34080.8032769182. The cubic root of 1161501152 is about 1051.1706224555.

Adding to 1161501152 its reverse (2511051611), we get a palindrome (3672552763).

The spelling of 1161501152 in words is "one billion, one hundred sixty-one million, five hundred one thousand, one hundred fifty-two".