11197064148 has 48 divisors (see below), whose sum is σ = 27355660416. Its totient is φ = 3557868160.

The previous prime is 11197064143. The next prime is 11197064231. The reversal of 11197064148 is 84146079111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11197064143) 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, 11638 + ... + 150098.

It is an arithmetic number, because the mean of its divisors is an integer number (569909592).

Almost surely, 2^11197064148 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11197064148, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13677830208).

11197064148 is an abundant number, since it is smaller than the sum of its proper divisors (16158596268).

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

11197064148 is a wasteful number, since it uses less digits than its factorization.

11197064148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138784 (or 138782 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 42.

The spelling of 11197064148 in words is "eleven billion, one hundred ninety-seven million, sixty-four thousand, one hundred forty-eight".