1161253360 has 40 divisors (see below), whose sum is σ = 2711545200. Its totient is φ = 462500352.

The previous prime is 1161253337. The next prime is 1161253367. The reversal of 1161253360 is 633521611.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×1161253360² = 2697018732222579200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1161253367) 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, 12510 + ... + 49789.

It is an arithmetic number, because the mean of its divisors is an integer number (67788630).

Almost surely, 2^1161253360 is an apocalyptic number.

1161253360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1161253360 is an abundant number, since it is smaller than the sum of its proper divisors (1550291840).

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

1161253360 is a wasteful number, since it uses less digits than its factorization.

1161253360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62545 (or 62539 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 1161253360 is about 34077.1677226849. The cubic root of 1161253360 is about 1051.0958656934.

Adding to 1161253360 its reverse (633521611), we get a palindrome (1794774971).

The spelling of 1161253360 in words is "one billion, one hundred sixty-one million, two hundred fifty-three thousand, three hundred sixty".