11397214480 has 80 divisors (see below), whose sum is σ = 27497668608. Its totient is φ = 4388544000.

The previous prime is 11397214459. The next prime is 11397214483. The reversal of 11397214480 is 8441279311.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (11397214483) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 461650 + ... + 485710.

Almost surely, 2^11397214480 is an apocalyptic number.

11397214480 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 11397214480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13748834304).

11397214480 is an abundant number, since it is smaller than the sum of its proper divisors (16100454128).

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

11397214480 is a wasteful number, since it uses less digits than its factorization.

11397214480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24296 (or 24290 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 40.

The spelling of 11397214480 in words is "eleven billion, three hundred ninety-seven million, two hundred fourteen thousand, four hundred eighty".