11320422564 has 48 divisors (see below), whose sum is σ = 28822248000. Its totient is φ = 3429642240.

The previous prime is 11320422559. The next prime is 11320422569. The reversal of 11320422564 is 46522402311.

It is an interprime number because it is at equal distance from previous prime (11320422559) and next prime (11320422569).

It is not an unprimeable number, because it can be changed into a prime (11320422569) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 847812 + ... + 861060.

It is an arithmetic number, because the mean of its divisors is an integer number (600463500).

Almost surely, 2^11320422564 is an apocalyptic number.

It is an amenable number.

11320422564 is an abundant number, since it is smaller than the sum of its proper divisors (17501825436).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11320422564 is a wasteful number, since it uses less digits than its factorization.

11320422564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19740 (or 19738 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 11320422564 its reverse (46522402311), we get a palindrome (57842824875).

The spelling of 11320422564 in words is "eleven billion, three hundred twenty million, four hundred twenty-two thousand, five hundred sixty-four".