11331552051 has 16 divisors (see below), whose sum is σ = 16842179200. Its totient is φ = 7529755464.

The previous prime is 11331552049. The next prime is 11331552059. The reversal of 11331552051 is 15025513311.

11331552051 is a `hidden beast` number, since 1 + 133 + 1 + 5 + 520 + 5 + 1 = 666.

11331552051 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11331552051 - 2¹ = 11331552049 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11331552059) 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 15 ways as a sum of consecutive naturals, for example, 675241 + ... + 691818.

It is an arithmetic number, because the mean of its divisors is an integer number (1052636200).

Almost surely, 2^11331552051 is an apocalyptic number.

11331552051 is a deficient number, since it is larger than the sum of its proper divisors (5510627149).

11331552051 is a wasteful number, since it uses less digits than its factorization.

11331552051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1367375 (or 1367369 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 27.

The spelling of 11331552051 in words is "eleven billion, three hundred thirty-one million, five hundred fifty-two thousand, fifty-one".