1113511455 has 80 divisors (see below), whose sum is σ = 2288630784. Its totient is φ = 507384000.

The previous prime is 1113511453. The next prime is 1113511471. The reversal of 1113511455 is 5541153111.

It is not a de Polignac number, because 1113511455 - 2¹ = 1113511453 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113511453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1482330 + ... + 1483080.

Almost surely, 2^1113511455 is an apocalyptic number.

1113511455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1113511455 is an abundant number, since it is smaller than the sum of its proper divisors (1175119329).

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

1113511455 is an equidigital number, since it uses as much as digits as its factorization.

1113511455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1298 (or 1289 counting only the distinct ones).

The product of its digits is 1500, while the sum is 27.

The square root of 1113511455 is about 33369.3190670712. The cubic root of 1113511455 is about 1036.4894748670.

Adding to 1113511455 its reverse (5541153111), we get a palindrome (6654664566).

The spelling of 1113511455 in words is "one billion, one hundred thirteen million, five hundred eleven thousand, four hundred fifty-five".