11031505642 has 8 divisors (see below), whose sum is σ = 16899327936. Its totient is φ = 5398396332.

The previous prime is 11031505631. The next prime is 11031505657. The reversal of 11031505642 is 24650513011.

11031505642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a self number, because there is not a number n which added to its sum of digits gives 11031505642.

It is an unprimeable number.

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, 58678128 + ... + 58678315.

It is an arithmetic number, because the mean of its divisors is an integer number (2112415992).

Almost surely, 2^11031505642 is an apocalyptic number.

11031505642 is a deficient number, since it is larger than the sum of its proper divisors (5867822294).

11031505642 is a wasteful number, since it uses less digits than its factorization.

11031505642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117356492.

The product of its (nonzero) digits is 3600, while the sum is 28.

The spelling of 11031505642 in words is "eleven billion, thirty-one million, five hundred five thousand, six hundred forty-two".