1113450155405 has 64 divisors (see below), whose sum is σ = 1696154618880. Its totient is φ = 684044390400.

The previous prime is 1113450155309. The next prime is 1113450155413. The reversal of 1113450155405 is 5045510543111.

It is not a de Polignac number, because 1113450155405 - 2¹⁰ = 1113450154381 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 770675 + ... + 1679535.

It is an arithmetic number, because the mean of its divisors is an integer number (26502415920).

Almost surely, 2^{1113450155405} is an apocalyptic number.

It is an amenable number.

1113450155405 is a deficient number, since it is larger than the sum of its proper divisors (582704463475).

1113450155405 is a wasteful number, since it uses less digits than its factorization.

1113450155405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 908990.

The product of its (nonzero) digits is 30000, while the sum is 35.

Adding to 1113450155405 its reverse (5045510543111), we get a palindrome (6158960698516).

The spelling of 1113450155405 in words is "one trillion, one hundred thirteen billion, four hundred fifty million, one hundred fifty-five thousand, four hundred five".