11231188648 has 64 divisors (see below), whose sum is σ = 22917888000. Its totient is φ = 5140324800.

The previous prime is 11231188621. The next prime is 11231188663. The reversal of 11231188648 is 84688113211.

It is a super-2 number, since 2×11231188648² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3819963 + ... + 3822901.

It is an arithmetic number, because the mean of its divisors is an integer number (358092000).

Almost surely, 2^11231188648 is an apocalyptic number.

It is an amenable number.

11231188648 is an abundant number, since it is smaller than the sum of its proper divisors (11686699352).

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

11231188648 is a wasteful number, since it uses less digits than its factorization.

11231188648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3806 (or 3802 counting only the distinct ones).

The product of its digits is 73728, while the sum is 43.

The spelling of 11231188648 in words is "eleven billion, two hundred thirty-one million, one hundred eighty-eight thousand, six hundred forty-eight".