1131545301 has 8 divisors (see below), whose sum is σ = 1543813920. Its totient is φ = 736820112.

The previous prime is 1131545267. The next prime is 1131545309. The reversal of 1131545301 is 1035451311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1131545301 - 2¹⁹ = 1131021013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131545309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4385706 + ... + 4385963.

It is an arithmetic number, because the mean of its divisors is an integer number (192976740).

Almost surely, 2^1131545301 is an apocalyptic number.

It is an amenable number.

1131545301 is a deficient number, since it is larger than the sum of its proper divisors (412268619).

1131545301 is an equidigital number, since it uses as much as digits as its factorization.

1131545301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8771715.

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 1131545301 is about 33638.4497413302. The cubic root of 1131545301 is about 1042.0550161110.

Adding to 1131545301 its reverse (1035451311), we get a palindrome (2166996612).

It can be divided in two parts, 11315 and 45301, that added together give a triangular number (56616 = T₃₃₆).

The spelling of 1131545301 in words is "one billion, one hundred thirty-one million, five hundred forty-five thousand, three hundred one".