11148453880 has 16 divisors (see below), whose sum is σ = 25084021320. Its totient is φ = 4459381536.

The previous prime is 11148453871. The next prime is 11148453887. The reversal of 11148453880 is 8835484111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11148453887) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139355634 + ... + 139355713.

Almost surely, 2^11148453880 is an apocalyptic number.

11148453880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11148453880 is an abundant number, since it is smaller than the sum of its proper divisors (13935567440).

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

11148453880 is a wasteful number, since it uses less digits than its factorization.

11148453880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278711358 (or 278711354 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 43.

The spelling of 11148453880 in words is "eleven billion, one hundred forty-eight million, four hundred fifty-three thousand, eight hundred eighty".