11211023051 has 4 divisors (see below), whose sum is σ = 11514023712. Its totient is φ = 10908022392.

The previous prime is 11211022987. The next prime is 11211023059. The reversal of 11211023051 is 15032011211.

11211023051 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 11211023051 - 2⁶ = 11211022987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11211023059) 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 3 ways as a sum of consecutive naturals, for example, 151500275 + ... + 151500348.

It is an arithmetic number, because the mean of its divisors is an integer number (2878505928).

Almost surely, 2^11211023051 is an apocalyptic number.

11211023051 is a deficient number, since it is larger than the sum of its proper divisors (303000661).

11211023051 is an equidigital number, since it uses as much as digits as its factorization.

11211023051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303000660.

The product of its (nonzero) digits is 60, while the sum is 17.

Adding to 11211023051 its reverse (15032011211), we get a palindrome (26243034262).

The spelling of 11211023051 in words is "eleven billion, two hundred eleven million, twenty-three thousand, fifty-one".