11232420511 has 16 divisors (see below), whose sum is σ = 12175488864. Its totient is φ = 10300800384.

The previous prime is 11232420503. The next prime is 11232420533. The reversal of 11232420511 is 11502423211.

It is a cyclic number.

It is not a de Polignac number, because 11232420511 - 2³ = 11232420503 is a prime.

It is a super-2 number, since 2×11232420511² (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 (11232420611) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2012721 + ... + 2018293.

It is an arithmetic number, because the mean of its divisors is an integer number (760968054).

Almost surely, 2^11232420511 is an apocalyptic number.

11232420511 is a deficient number, since it is larger than the sum of its proper divisors (943068353).

11232420511 is a wasteful number, since it uses less digits than its factorization.

11232420511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6570.

The product of its (nonzero) digits is 480, while the sum is 22.

Adding to 11232420511 its reverse (11502423211), we get a palindrome (22734843722).

The spelling of 11232420511 in words is "eleven billion, two hundred thirty-two million, four hundred twenty thousand, five hundred eleven".