10015221555442 has 16 divisors (see below), whose sum is σ = 15874429328640. Its totient is φ = 4729257067392.

The previous prime is 10015221555439. The next prime is 10015221555467. The reversal of 10015221555442 is 24455512251001.

10015221555442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1377985023 + ... + 1377992290.

It is an arithmetic number, because the mean of its divisors is an integer number (992151833040).

Almost surely, 2^{10015221555442} is an apocalyptic number.

10015221555442 is a deficient number, since it is larger than the sum of its proper divisors (5859207773198).

10015221555442 is a wasteful number, since it uses less digits than its factorization.

10015221555442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2755977417.

The product of its (nonzero) digits is 80000, while the sum is 37.

The spelling of 10015221555442 in words is "ten trillion, fifteen billion, two hundred twenty-one million, five hundred fifty-five thousand, four hundred forty-two".