11213124651 has 16 divisors (see below), whose sum is σ = 17061012000. Its totient is φ = 7273377504.

The previous prime is 11213124641. The next prime is 11213124677. The reversal of 11213124651 is 15642131211.

11213124651 is a `hidden beast` number, since 1 + 1 + 2 + 1 + 3 + 1 + 2 + 4 + 651 = 666.

11213124651 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11213124651 - 2⁷ = 11213124523 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (11213124641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5611176 + ... + 5613173.

It is an arithmetic number, because the mean of its divisors is an integer number (1066313250).

Almost surely, 2^11213124651 is an apocalyptic number.

11213124651 is a deficient number, since it is larger than the sum of its proper divisors (5847887349).

11213124651 is a wasteful number, since it uses less digits than its factorization.

11213124651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11224395 (or 11224389 counting only the distinct ones).

The product of its digits is 1440, while the sum is 27.

Adding to 11213124651 its reverse (15642131211), we get a palindrome (26855255862).

The spelling of 11213124651 in words is "eleven billion, two hundred thirteen million, one hundred twenty-four thousand, six hundred fifty-one".