11397484080 has 400 divisors, whose sum is σ = 42244662240. Its totient is φ = 2838011904.

The previous prime is 11397484079. The next prime is 11397484139. The reversal of 11397484080 is 8048479311.

It is a happy number.

11397484080 is a `hidden beast` number, since 1 + 1 + 3 + 97 + 484 + 0 + 80 = 666.

It is a Cunningham number, because it is equal to 106759²-1.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 17294791 + ... + 17295449.

Almost surely, 2^11397484080 is an apocalyptic number.

11397484080 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 11397484080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21122331120).

11397484080 is an abundant number, since it is smaller than the sum of its proper divisors (30847178160).

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

11397484080 is a wasteful number, since it uses less digits than its factorization.

11397484080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 858 (or 843 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

It can be divided in two parts, 1139748 and 4080, that added together give a triangular number (1143828 = T₁₅₁₂).

The spelling of 11397484080 in words is "eleven billion, three hundred ninety-seven million, four hundred eighty-four thousand, eighty".