11380390549 has 8 divisors (see below), whose sum is σ = 12427612992. Its totient is φ = 10335275040.

The previous prime is 11380390523. The next prime is 11380390589. The reversal of 11380390549 is 94509308311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11380390549 - 2⁷ = 11380390421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11380390589) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 515424 + ... + 537049.

It is an arithmetic number, because the mean of its divisors is an integer number (1553451624).

Almost surely, 2^11380390549 is an apocalyptic number.

It is an amenable number.

11380390549 is a deficient number, since it is larger than the sum of its proper divisors (1047222443).

11380390549 is a wasteful number, since it uses less digits than its factorization.

11380390549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1053467.

The product of its (nonzero) digits is 116640, while the sum is 43.

The spelling of 11380390549 in words is "eleven billion, three hundred eighty million, three hundred ninety thousand, five hundred forty-nine".