11351522311 has 4 divisors (see below), whose sum is σ = 11383679952. Its totient is φ = 11319364672.

The previous prime is 11351522257. The next prime is 11351522381. The reversal of 11351522311 is 11322515311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11322515311 = 5557 ⋅2037523.

It is a cyclic number.

It is not a de Polignac number, because 11351522311 - 2¹⁷ = 11351391239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11351522381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16078291 + ... + 16078996.

It is an arithmetic number, because the mean of its divisors is an integer number (2845919988).

Almost surely, 2^11351522311 is an apocalyptic number.

11351522311 is a deficient number, since it is larger than the sum of its proper divisors (32157641).

11351522311 is an equidigital number, since it uses as much as digits as its factorization.

11351522311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32157640.

The product of its digits is 900, while the sum is 25.

The spelling of 11351522311 in words is "eleven billion, three hundred fifty-one million, five hundred twenty-two thousand, three hundred eleven".