11135052231 has 4 divisors (see below), whose sum is σ = 14846736312. Its totient is φ = 7423368152.

The previous prime is 11135052221. The next prime is 11135052259. The reversal of 11135052231 is 13225053111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11135052231 - 2⁶ = 11135052167 is a prime.

It is a super-2 number, since 2×11135052231² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11135052221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1855842036 + ... + 1855842041.

It is an arithmetic number, because the mean of its divisors is an integer number (3711684078).

Almost surely, 2^11135052231 is an apocalyptic number.

11135052231 is a deficient number, since it is larger than the sum of its proper divisors (3711684081).

11135052231 is an equidigital number, since it uses as much as digits as its factorization.

11135052231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3711684080.

The product of its (nonzero) digits is 900, while the sum is 24.

The spelling of 11135052231 in words is "eleven billion, one hundred thirty-five million, fifty-two thousand, two hundred thirty-one".