11399142480 has 320 divisors, whose sum is σ = 39554396928. Its totient is φ = 2692218880.

The previous prime is 11399142479. The next prime is 11399142541. The reversal of 11399142480 is 8424199311.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 35959282 + ... + 35959598.

Almost surely, 2^11399142480 is an apocalyptic number.

11399142480 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 11399142480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19777198464).

11399142480 is an abundant number, since it is smaller than the sum of its proper divisors (28155254448).

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

11399142480 is a wasteful number, since it uses less digits than its factorization.

11399142480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 654 (or 648 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 42.

The spelling of 11399142480 in words is "eleven billion, three hundred ninety-nine million, one hundred forty-two thousand, four hundred eighty".