1011539432 has 16 divisors (see below), whose sum is σ = 1898188260. Its totient is φ = 505355904.

The previous prime is 1011539387. The next prime is 1011539437. The reversal of 1011539432 is 2349351101.

It can be written as a sum of positive squares in 2 ways, for example, as 966836836 + 44702596 = 31094^2 + 6686^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1011539395 and 1011539404.

It is not an unprimeable number, because it can be changed into a prime (1011539437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41213 + ... + 61004.

Almost surely, 2^1011539432 is an apocalyptic number.

It is an amenable number.

1011539432 is a deficient number, since it is larger than the sum of its proper divisors (886648828).

1011539432 is a wasteful number, since it uses less digits than its factorization.

1011539432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103460 (or 103456 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 1011539432 is about 31804.7077018482. The cubic root of 1011539432 is about 1003.8317760721.

The spelling of 1011539432 in words is "one billion, eleven million, five hundred thirty-nine thousand, four hundred thirty-two".