11522231656456 has 16 divisors (see below), whose sum is σ = 21645492555600. Its totient is φ = 5750100308304.

The previous prime is 11522231656447. The next prime is 11522231656469. The reversal of 11522231656456 is 65465613222511.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1376935546 + ... + 1376943913.

It is an arithmetic number, because the mean of its divisors is an integer number (1352843284725).

Almost surely, 2^{11522231656456} is an apocalyptic number.

It is an amenable number.

11522231656456 is a deficient number, since it is larger than the sum of its proper divisors (10123260899144).

11522231656456 is a wasteful number, since it uses less digits than its factorization.

11522231656456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2753879988 (or 2753879984 counting only the distinct ones).

The product of its digits is 2592000, while the sum is 49.

Adding to 11522231656456 its reverse (65465613222511), we get a palindrome (76987844878967).

The spelling of 11522231656456 in words is "eleven trillion, five hundred twenty-two billion, two hundred thirty-one million, six hundred fifty-six thousand, four hundred fifty-six".