11705506285 has 32 divisors (see below), whose sum is σ = 15502109184. Its totient is φ = 8414280000.

The previous prime is 11705506237. The next prime is 11705506333. The reversal of 11705506285 is 58260550711.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11705506237) and next prime (11705506333).

It is not a de Polignac number, because 11705506285 - 2¹⁵ = 11705473517 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2887510 + ... + 2891560.

It is an arithmetic number, because the mean of its divisors is an integer number (484440912).

Almost surely, 2^11705506285 is an apocalyptic number.

It is an amenable number.

11705506285 is a deficient number, since it is larger than the sum of its proper divisors (3796602899).

11705506285 is a wasteful number, since it uses less digits than its factorization.

11705506285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4665.

The product of its (nonzero) digits is 84000, while the sum is 40.

The spelling of 11705506285 in words is "eleven billion, seven hundred five million, five hundred six thousand, two hundred eighty-five".