11131266430 has 32 divisors (see below), whose sum is σ = 20177869824. Its totient is φ = 4421100576.

The previous prime is 11131266407. The next prime is 11131266431. The reversal of 11131266430 is 3466213111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11131266431) 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, 1838989 + ... + 1845031.

It is an arithmetic number, because the mean of its divisors is an integer number (630558432).

Almost surely, 2^11131266430 is an apocalyptic number.

11131266430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11131266430 is a deficient number, since it is larger than the sum of its proper divisors (9046603394).

11131266430 is a wasteful number, since it uses less digits than its factorization.

11131266430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7320.

The product of its (nonzero) digits is 2592, while the sum is 28.

Adding to 11131266430 its reverse (3466213111), we get a palindrome (14597479541).

The spelling of 11131266430 in words is "eleven billion, one hundred thirty-one million, two hundred sixty-six thousand, four hundred thirty".