11638510354 has 8 divisors (see below), whose sum is σ = 17462665008. Its totient is φ = 5817622020.

The previous prime is 11638510339. The next prime is 11638510357. The reversal of 11638510354 is 45301583611.

11638510354 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 not an unprimeable number, because it can be changed into a prime (11638510357) 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, 807652 + ... + 821935.

It is an arithmetic number, because the mean of its divisors is an integer number (2182833126).

Almost surely, 2^11638510354 is an apocalyptic number.

11638510354 is a deficient number, since it is larger than the sum of its proper divisors (5824154654).

11638510354 is a wasteful number, since it uses less digits than its factorization.

11638510354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1633160.

The product of its (nonzero) digits is 43200, while the sum is 37.

The spelling of 11638510354 in words is "eleven billion, six hundred thirty-eight million, five hundred ten thousand, three hundred fifty-four".