11121010012005 has 32 divisors (see below), whose sum is σ = 18917577029376. Its totient is φ = 5566282934784.

The previous prime is 11121010012003. The next prime is 11121010012033. The reversal of 11121010012005 is 50021001012111.

It is not a de Polignac number, because 11121010012005 - 2¹ = 11121010012003 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11121010012003) 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, 304083712 + ... + 304120281.

It is an arithmetic number, because the mean of its divisors is an integer number (591174282168).

Almost surely, 2^{11121010012005} is an apocalyptic number.

11121010012005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11121010012005 is a deficient number, since it is larger than the sum of its proper divisors (7796567017371).

11121010012005 is a wasteful number, since it uses less digits than its factorization.

11121010012005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 608204077.

The product of its (nonzero) digits is 20, while the sum is 15.

Adding to 11121010012005 its reverse (50021001012111), we get a palindrome (61142011024116).

The spelling of 11121010012005 in words is "eleven trillion, one hundred twenty-one billion, ten million, twelve thousand, five".