11706567220 has 48 divisors (see below), whose sum is σ = 25057500048. Its totient is φ = 4593254400.

The previous prime is 11706567181. The next prime is 11706567241. The reversal of 11706567220 is 2276560711.

It can be written as a sum of positive squares in 8 ways, for example, as 3692020644 + 8014546576 = 60762^2 + 89524^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11706567220.

It is a congruent number.

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, 192520 + ... + 245920.

It is an arithmetic number, because the mean of its divisors is an integer number (522031251).

Almost surely, 2^11706567220 is an apocalyptic number.

11706567220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11706567220 is an abundant number, since it is smaller than the sum of its proper divisors (13350932828).

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

11706567220 is a wasteful number, since it uses less digits than its factorization.

11706567220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53620 (or 53618 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 37.

The spelling of 11706567220 in words is "eleven billion, seven hundred six million, five hundred sixty-seven thousand, two hundred twenty".