11500551332 has 12 divisors (see below), whose sum is σ = 20616842316. Its totient is φ = 5610024960.

The previous prime is 11500551331. The next prime is 11500551347. The reversal of 11500551332 is 23315500511.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 779191396 + 10721359936 = 27914^2 + 103544^2 .

It is not an unprimeable number, because it can be changed into a prime (11500551331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35062493 + ... + 35062820.

It is an arithmetic number, because the mean of its divisors is an integer number (1718070193).

Almost surely, 2^11500551332 is an apocalyptic number.

It is an amenable number.

11500551332 is a deficient number, since it is larger than the sum of its proper divisors (9116290984).

11500551332 is a wasteful number, since it uses less digits than its factorization.

11500551332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70125358 (or 70125356 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 26.

The spelling of 11500551332 in words is "eleven billion, five hundred million, five hundred fifty-one thousand, three hundred thirty-two".