1113455556679 has 4 divisors (see below), whose sum is σ = 1178952942384. Its totient is φ = 1047958170976.

The previous prime is 1113455556607. The next prime is 1113455556769. The reversal of 1113455556679 is 9766555543111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1113455556679 - 2³⁷ = 976016603207 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113455551679) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32748692827 + ... + 32748692860.

It is an arithmetic number, because the mean of its divisors is an integer number (294738235596).

Almost surely, 2^{1113455556679} is an apocalyptic number.

1113455556679 is a deficient number, since it is larger than the sum of its proper divisors (65497385705).

1113455556679 is an equidigital number, since it uses as much as digits as its factorization.

1113455556679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65497385704.

The product of its digits is 17010000, while the sum is 58.

The spelling of 1113455556679 in words is "one trillion, one hundred thirteen billion, four hundred fifty-five million, five hundred fifty-six thousand, six hundred seventy-nine".