11166400430 has 32 divisors (see below), whose sum is σ = 20609926848. Its totient is φ = 4353350400.

The previous prime is 11166400423. The next prime is 11166400447. The reversal of 11166400430 is 3400466111.

It is a self number, because there is not a number n which added to its sum of digits gives 11166400430.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 423020 + ... + 448640.

It is an arithmetic number, because the mean of its divisors is an integer number (644060214).

Almost surely, 2^11166400430 is an apocalyptic number.

11166400430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11166400430 is a deficient number, since it is larger than the sum of its proper divisors (9443526418).

11166400430 is a wasteful number, since it uses less digits than its factorization.

11166400430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26732.

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 11166400430 its reverse (3400466111), we get a palindrome (14566866541).

The spelling of 11166400430 in words is "eleven billion, one hundred sixty-six million, four hundred thousand, four hundred thirty".