1011445532 has 24 divisors (see below), whose sum is σ = 1897882560. Its totient is φ = 469946880.

The previous prime is 1011445529. The next prime is 1011445609. The reversal of 1011445532 is 2355441101.

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, 88769 + ... + 99512.

It is an arithmetic number, because the mean of its divisors is an integer number (79078440).

Almost surely, 2^1011445532 is an apocalyptic number.

It is an amenable number.

1011445532 is a deficient number, since it is larger than the sum of its proper divisors (886437028).

1011445532 is a wasteful number, since it uses less digits than its factorization.

1011445532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188381 (or 188379 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 1011445532 is about 31803.2314710314. The cubic root of 1011445532 is about 1003.8007136084.

Adding to 1011445532 its reverse (2355441101), we get a palindrome (3366886633).

The spelling of 1011445532 in words is "one billion, eleven million, four hundred forty-five thousand, five hundred thirty-two".