11316387450 has 144 divisors (see below), whose sum is σ = 30544545024. Its totient is φ = 2770483200.

The previous prime is 11316387437. The next prime is 11316387473. The reversal of 11316387450 is 5478361311.

It is a junction number, because it is equal to n+sod(n) for n = 11316387399 and 11316387408.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1774167 + ... + 1780533.

It is an arithmetic number, because the mean of its divisors is an integer number (212114896).

Almost surely, 2^11316387450 is an apocalyptic number.

11316387450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11316387450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15272272512).

11316387450 is an abundant number, since it is smaller than the sum of its proper divisors (19228157574).

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

11316387450 is a wasteful number, since it uses less digits than its factorization.

11316387450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6457 (or 6435 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 39.

The spelling of 11316387450 in words is "eleven billion, three hundred sixteen million, three hundred eighty-seven thousand, four hundred fifty".