11522154345 has 64 divisors (see below), whose sum is σ = 21287992320. Its totient is φ = 5271072768.

The previous prime is 11522154341. The next prime is 11522154421. The reversal of 11522154345 is 54345122511.

It is not a de Polignac number, because 11522154345 - 2² = 11522154341 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11522154341) 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 63 ways as a sum of consecutive naturals, for example, 239887 + ... + 283883.

It is an arithmetic number, because the mean of its divisors is an integer number (332624880).

Almost surely, 2^11522154345 is an apocalyptic number.

11522154345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11522154345 is a deficient number, since it is larger than the sum of its proper divisors (9765837975).

11522154345 is a wasteful number, since it uses less digits than its factorization.

11522154345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44114.

The product of its digits is 24000, while the sum is 33.

Adding to 11522154345 its reverse (54345122511), we get a palindrome (65867276856).

The spelling of 11522154345 in words is "eleven billion, five hundred twenty-two million, one hundred fifty-four thousand, three hundred forty-five".