11403609480 has 96 divisors (see below), whose sum is σ = 37142665560. Its totient is φ = 3034321920.

The previous prime is 11403609421. The next prime is 11403609491. The reversal of 11403609480 is 8490630411.

11403609480 is a `hidden beast` number, since 1 + 1 + 4 + 0 + 3 + 609 + 48 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 7723245924 + 3680363556 = 87882^2 + 60666^2 .

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 23 ways as a sum of consecutive naturals, for example, 131604 + ... + 200316.

Almost surely, 2^11403609480 is an apocalyptic number.

11403609480 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 11403609480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18571332780).

11403609480 is an abundant number, since it is smaller than the sum of its proper divisors (25739056080).

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

11403609480 is a wasteful number, since it uses less digits than its factorization.

11403609480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69191 (or 69184 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The spelling of 11403609480 in words is "eleven billion, four hundred three million, six hundred nine thousand, four hundred eighty".