11148215148 has 144 divisors (see below), whose sum is σ = 33774511680. Its totient is φ = 3033096192.

The previous prime is 11148215147. The next prime is 11148215153. The reversal of 11148215148 is 84151284111.

11148215148 is a `hidden beast` number, since 1 + 114 + 8 + 21 + 514 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (11148215147) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 523036 + ... + 543932.

It is an arithmetic number, because the mean of its divisors is an integer number (234545220).

Almost surely, 2^11148215148 is an apocalyptic number.

11148215148 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11148215148, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16887255840).

11148215148 is an abundant number, since it is smaller than the sum of its proper divisors (22626296532).

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

11148215148 is a wasteful number, since it uses less digits than its factorization.

11148215148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21016 (or 21011 counting only the distinct ones).

The product of its digits is 10240, while the sum is 36.

Adding to 11148215148 its reverse (84151284111), we get a palindrome (95299499259).

The spelling of 11148215148 in words is "eleven billion, one hundred forty-eight million, two hundred fifteen thousand, one hundred forty-eight".