1013112445555 has 48 divisors (see below), whose sum is σ = 1427469039360. Its totient is φ = 688220100288.

The previous prime is 1013112445523. The next prime is 1013112445643. The reversal of 1013112445555 is 5555442113101.

It is not a de Polignac number, because 1013112445555 - 2⁵ = 1013112445523 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15871834 + ... + 15935536.

It is an arithmetic number, because the mean of its divisors is an integer number (29738938320).

Almost surely, 2^{1013112445555} is an apocalyptic number.

1013112445555 is a deficient number, since it is larger than the sum of its proper divisors (414356593805).

1013112445555 is a wasteful number, since it uses less digits than its factorization.

1013112445555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64328 (or 64321 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 37.

Adding to 1013112445555 its reverse (5555442113101), we get a palindrome (6568554558656).

The spelling of 1013112445555 in words is "one trillion, thirteen billion, one hundred twelve million, four hundred forty-five thousand, five hundred fifty-five".