11310478380 has 144 divisors (see below), whose sum is σ = 34857338880. Its totient is φ = 2968068096.

The previous prime is 11310478379. The next prime is 11310478391. The reversal of 11310478380 is 8387401311.

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

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8842581 + ... + 8843859.

Almost surely, 2^11310478380 is an apocalyptic number.

11310478380 is a gapful number since it is divisible by the number (10) 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 11310478380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17428669440).

11310478380 is an abundant number, since it is smaller than the sum of its proper divisors (23546860500).

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

11310478380 is a wasteful number, since it uses less digits than its factorization.

11310478380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2040 (or 2035 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

Adding to 11310478380 its reverse (8387401311), we get a palindrome (19697879691).

The spelling of 11310478380 in words is "eleven billion, three hundred ten million, four hundred seventy-eight thousand, three hundred eighty".