11051113215 has 8 divisors (see below), whose sum is σ = 17681781168. Its totient is φ = 5893927040.

The previous prime is 11051113147. The next prime is 11051113217. The reversal of 11051113215 is 51231115011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11051113215 - 2²⁹ = 10514242303 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11051113191 and 11051113200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11051113217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 368370426 + ... + 368370455.

It is an arithmetic number, because the mean of its divisors is an integer number (2210222646).

Almost surely, 2^11051113215 is an apocalyptic number.

11051113215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11051113215 is a deficient number, since it is larger than the sum of its proper divisors (6630667953).

11051113215 is an equidigital number, since it uses as much as digits as its factorization.

11051113215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 736740889.

The product of its (nonzero) digits is 150, while the sum is 21.

Adding to 11051113215 its reverse (51231115011), we get a palindrome (62282228226).

The spelling of 11051113215 in words is "eleven billion, fifty-one million, one hundred thirteen thousand, two hundred fifteen".