1155540352 has 32 divisors (see below), whose sum is σ = 2315404080. Its totient is φ = 574419456.

The previous prime is 1155540349. The next prime is 1155540403. The reversal of 1155540352 is 2530455511.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3948 + ... + 48235.

Almost surely, 2^1155540352 is an apocalyptic number.

It is an amenable number.

1155540352 is an abundant number, since it is smaller than the sum of its proper divisors (1159863728).

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

1155540352 is an equidigital number, since it uses as much as digits as its factorization.

1155540352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52370 (or 52358 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 31.

The square root of 1155540352 is about 33993.2397985246. The cubic root of 1155540352 is about 1049.3693422234.

Adding to 1155540352 its reverse (2530455511), we get a palindrome (3685995863).

The spelling of 1155540352 in words is "one billion, one hundred fifty-five million, five hundred forty thousand, three hundred fifty-two".