11137440505 has 8 divisors (see below), whose sum is σ = 13366052352. Its totient is φ = 8909203248.

The previous prime is 11137440499. The next prime is 11137440551. The reversal of 11137440505 is 50504473111.

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 11137440505 - 2³ = 11137440497 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23449 + ... + 151078.

It is an arithmetic number, because the mean of its divisors is an integer number (1670756544).

Almost surely, 2^11137440505 is an apocalyptic number.

It is an amenable number.

11137440505 is a deficient number, since it is larger than the sum of its proper divisors (2228611847).

11137440505 is a wasteful number, since it uses less digits than its factorization.

11137440505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187295.

The product of its (nonzero) digits is 8400, while the sum is 31.

The spelling of 11137440505 in words is "eleven billion, one hundred thirty-seven million, four hundred forty thousand, five hundred five".