11522211533 has 32 divisors (see below), whose sum is σ = 14419335168. Its totient is φ = 8978688000.

The previous prime is 11522211517. The next prime is 11522211559. The reversal of 11522211533 is 33511222511.

It is a cyclic number.

It is not a de Polignac number, because 11522211533 - 2⁴ = 11522211517 is a prime.

It is a super-2 number, since 2×11522211533² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11522211133) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2214491 + ... + 2219687.

It is an arithmetic number, because the mean of its divisors is an integer number (450604224).

Almost surely, 2^11522211533 is an apocalyptic number.

It is an amenable number.

11522211533 is a deficient number, since it is larger than the sum of its proper divisors (2897123635).

11522211533 is a wasteful number, since it uses less digits than its factorization.

11522211533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5853.

The product of its digits is 1800, while the sum is 26.

The spelling of 11522211533 in words is "eleven billion, five hundred twenty-two million, two hundred eleven thousand, five hundred thirty-three".