11213105651 has 8 divisors (see below), whose sum is σ = 12400047984. Its totient is φ = 10054091520.

The previous prime is 11213105627. The next prime is 11213105653. The reversal of 11213105651 is 15650131211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11213105651 - 2⁶ = 11213105587 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11213105651.

It is not an unprimeable number, because it can be changed into a prime (11213105653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6981206 + ... + 6982811.

It is an arithmetic number, because the mean of its divisors is an integer number (1550005998).

Almost surely, 2^11213105651 is an apocalyptic number.

11213105651 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11213105651 is a deficient number, since it is larger than the sum of its proper divisors (1186942333).

11213105651 is a wasteful number, since it uses less digits than its factorization.

11213105651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13964101.

The product of its (nonzero) digits is 900, while the sum is 26.

Adding to 11213105651 its reverse (15650131211), we get a palindrome (26863236862).

The spelling of 11213105651 in words is "eleven billion, two hundred thirteen million, one hundred five thousand, six hundred fifty-one".