1113826005 has 32 divisors (see below), whose sum is σ = 2017509120. Its totient is φ = 582828480.

The previous prime is 1113826003. The next prime is 1113826027. The reversal of 1113826005 is 5006283111.

It is not a de Polignac number, because 1113826005 - 2¹ = 1113826003 is a prime.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1113826005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113826003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 70681 + ... + 84990.

It is an arithmetic number, because the mean of its divisors is an integer number (63047160).

Almost surely, 2^1113826005 is an apocalyptic number.

1113826005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1113826005 is a deficient number, since it is larger than the sum of its proper divisors (903683115).

1113826005 is a wasteful number, since it uses less digits than its factorization.

1113826005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155738 (or 155732 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 1113826005 is about 33374.0318960715. The cubic root of 1113826005 is about 1036.5870631670.

The spelling of 1113826005 in words is "one billion, one hundred thirteen million, eight hundred twenty-six thousand, five".