1103143899216 has 160 divisors (see below), whose sum is σ = 2937906961920. Its totient is φ = 356530458112.

The previous prime is 1103143899163. The next prime is 1103143899227. The reversal of 1103143899216 is 6129983413011.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 153487975 + ... + 153495161.

It is an arithmetic number, because the mean of its divisors is an integer number (18361918512).

Almost surely, 2^{1103143899216} is an apocalyptic number.

1103143899216 is a gapful number since it is divisible by the number (16) 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 1103143899216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1468953480960).

1103143899216 is an abundant number, since it is smaller than the sum of its proper divisors (1834763062704).

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

1103143899216 is a wasteful number, since it uses less digits than its factorization.

1103143899216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7993 (or 7987 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 48.

The spelling of 1103143899216 in words is "one trillion, one hundred three billion, one hundred forty-three million, eight hundred ninety-nine thousand, two hundred sixteen".