1011332545 has 8 divisors (see below), whose sum is σ = 1219888296. Its totient is φ = 804873216.

The previous prime is 1011332537. The next prime is 1011332557. The reversal of 1011332545 is 5452331101.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2380849 + 1008951696 = 1543^2 + 31764^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1011332545 - 2³ = 1011332537 is a prime.

It is a Duffinian 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, 523042 + ... + 524971.

It is an arithmetic number, because the mean of its divisors is an integer number (152486037).

Almost surely, 2^1011332545 is an apocalyptic number.

It is an amenable number.

1011332545 is a deficient number, since it is larger than the sum of its proper divisors (208555751).

1011332545 is a wasteful number, since it uses less digits than its factorization.

1011332545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1048211.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 1011332545 is about 31801.4550767728. The cubic root of 1011332545 is about 1003.7633345468.

Adding to 1011332545 its reverse (5452331101), we get a palindrome (6463663646).

The spelling of 1011332545 in words is "one billion, eleven million, three hundred thirty-two thousand, five hundred forty-five".