11132231215 has 32 divisors (see below), whose sum is σ = 15554396160. Its totient is φ = 7490340864.

The previous prime is 11132231197. The next prime is 11132231263. The reversal of 11132231215 is 51213223111.

It is a cyclic number.

It is not a de Polignac number, because 11132231215 - 2⁷ = 11132231087 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1186834 + ... + 1196176.

It is an arithmetic number, because the mean of its divisors is an integer number (486074880).

Almost surely, 2^11132231215 is an apocalyptic number.

11132231215 is a deficient number, since it is larger than the sum of its proper divisors (4422164945).

11132231215 is an equidigital number, since it uses as much as digits as its factorization.

11132231215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9991.

The product of its digits is 360, while the sum is 22.

Adding to 11132231215 its reverse (51213223111), we get a palindrome (62345454326).

The spelling of 11132231215 in words is "eleven billion, one hundred thirty-two million, two hundred thirty-one thousand, two hundred fifteen".