11405481740 has 12 divisors (see below), whose sum is σ = 23951511696. Its totient is φ = 4562192688.

The previous prime is 11405481739. The next prime is 11405481779. The reversal of 11405481740 is 4718450411.

It is a self number, because there is not a number n which added to its sum of digits gives 11405481740.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 285137024 + ... + 285137063.

It is an arithmetic number, because the mean of its divisors is an integer number (1995959308).

Almost surely, 2^11405481740 is an apocalyptic number.

11405481740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11405481740 is an abundant number, since it is smaller than the sum of its proper divisors (12546029956).

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

11405481740 is a wasteful number, since it uses less digits than its factorization.

11405481740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 570274096 (or 570274094 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 35.

The spelling of 11405481740 in words is "eleven billion, four hundred five million, four hundred eighty-one thousand, seven hundred forty".