11511106504230 has 64 divisors (see below), whose sum is σ = 27726483575808. Its totient is φ = 3058537601280.

The previous prime is 11511106504213. The next prime is 11511106504259. The reversal of 11511106504230 is 3240560111511.

It is a super-2 number, since 2×11511106504230² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 274687459 + ... + 274729361.

It is an arithmetic number, because the mean of its divisors is an integer number (433226305872).

Almost surely, 2^{11511106504230} is an apocalyptic number.

11511106504230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11511106504230 is an abundant number, since it is smaller than the sum of its proper divisors (16215377071578).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11511106504230 is a wasteful number, since it uses less digits than its factorization.

11511106504230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74781.

The product of its (nonzero) digits is 3600, while the sum is 30.

Adding to 11511106504230 its reverse (3240560111511), we get a palindrome (14751666615741).

The spelling of 11511106504230 in words is "eleven trillion, five hundred eleven billion, one hundred six million, five hundred four thousand, two hundred thirty".