11230555511 has 16 divisors (see below), whose sum is σ = 13630022400. Its totient is φ = 9038832768.

The previous prime is 11230555489. The next prime is 11230555537. The reversal of 11230555511 is 11555503211.

It is not a de Polignac number, because 11230555511 - 2⁶ = 11230555447 is a prime.

It is a super-2 number, since 2×11230555511² (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 (11230555561) 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, 358601 + ... + 388658.

It is an arithmetic number, because the mean of its divisors is an integer number (851876400).

Almost surely, 2^11230555511 is an apocalyptic number.

11230555511 is a deficient number, since it is larger than the sum of its proper divisors (2399466889).

11230555511 is a wasteful number, since it uses less digits than its factorization.

11230555511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 747398.

The product of its (nonzero) digits is 3750, while the sum is 29.

The spelling of 11230555511 in words is "eleven billion, two hundred thirty million, five hundred fifty-five thousand, five hundred eleven".