11505326642 has 8 divisors (see below), whose sum is σ = 17261650476. Its totient is φ = 5751443152.

The previous prime is 11505326617. The next prime is 11505326699. The reversal of 11505326642 is 24662350511.

11505326642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 11033611681 + 471714961 = 105041^2 + 21719^2 .

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

It is a super-2 number, since 2×11505326642² (a number of 21 digits) contains 22 as substring.

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, 598253 + ... + 617184.

Almost surely, 2^11505326642 is an apocalyptic number.

11505326642 is a deficient number, since it is larger than the sum of its proper divisors (5756323834).

11505326642 is a wasteful number, since it uses less digits than its factorization.

11505326642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1220172.

The product of its (nonzero) digits is 43200, while the sum is 35.

The spelling of 11505326642 in words is "eleven billion, five hundred five million, three hundred twenty-six thousand, six hundred forty-two".