1111320455 has 16 divisors (see below), whose sum is σ = 1576653120. Its totient is φ = 735770112.

The previous prime is 1111320443. The next prime is 1111320503. The reversal of 1111320455 is 5540231111.

It is not a de Polignac number, because 1111320455 - 2¹² = 1111316359 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1111320455.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 546434 + ... + 548463.

It is an arithmetic number, because the mean of its divisors is an integer number (98540820).

Almost surely, 2^1111320455 is an apocalyptic number.

1111320455 is a deficient number, since it is larger than the sum of its proper divisors (465332665).

1111320455 is a wasteful number, since it uses less digits than its factorization.

1111320455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1094938.

The product of its (nonzero) digits is 600, while the sum is 23.

The square root of 1111320455 is about 33336.4733437717. The cubic root of 1111320455 is about 1035.8092125801.

Adding to 1111320455 its reverse (5540231111), we get a palindrome (6651551566).

The spelling of 1111320455 in words is "one billion, one hundred eleven million, three hundred twenty thousand, four hundred fifty-five".