11415785755 has 16 divisors (see below), whose sum is σ = 14952171744. Its totient is φ = 8298017280.

The previous prime is 11415785749. The next prime is 11415785783. The reversal of 11415785755 is 55758751411.

It is not a de Polignac number, because 11415785755 - 2¹¹ = 11415783707 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11415785699 and 11415785708.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52627 + ... + 160003.

It is an arithmetic number, because the mean of its divisors is an integer number (934510734).

Almost surely, 2^11415785755 is an apocalyptic number.

11415785755 is a deficient number, since it is larger than the sum of its proper divisors (3536385989).

11415785755 is a wasteful number, since it uses less digits than its factorization.

11415785755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109326.

The product of its digits is 980000, while the sum is 49.

The spelling of 11415785755 in words is "eleven billion, four hundred fifteen million, seven hundred eighty-five thousand, seven hundred fifty-five".