1113450155442 has 16 divisors (see below), whose sum is σ = 2474333678880. Its totient is φ = 371150051796.

The previous prime is 1113450155413. The next prime is 1113450155449. The reversal of 1113450155442 is 2445510543111.

1113450155442 is a `hidden beast` number, since 1 + 1 + 13 + 4 + 50 + 1 + 554 + 42 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 1113450155397 and 1113450155406.

It is not an unprimeable number, because it can be changed into a prime (1113450155449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10309723608 + ... + 10309723715.

It is an arithmetic number, because the mean of its divisors is an integer number (154645854930).

Almost surely, 2^{1113450155442} is an apocalyptic number.

1113450155442 is an abundant number, since it is smaller than the sum of its proper divisors (1360883523438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1113450155442 is a wasteful number, since it uses less digits than its factorization.

1113450155442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20619447334 (or 20619447328 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 36.

Adding to 1113450155442 its reverse (2445510543111), we get a palindrome (3558960698553).

The spelling of 1113450155442 in words is "one trillion, one hundred thirteen billion, four hundred fifty million, one hundred fifty-five thousand, four hundred forty-two".