11031665506 has 8 divisors (see below), whose sum is σ = 17418419280. Its totient is φ = 5225525748.

The previous prime is 11031665503. The next prime is 11031665507. The reversal of 11031665506 is 60556613011.

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

It is not an unprimeable number, because it can be changed into a prime (11031665503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145153456 + ... + 145153531.

It is an arithmetic number, because the mean of its divisors is an integer number (2177302410).

Almost surely, 2^11031665506 is an apocalyptic number.

11031665506 is a deficient number, since it is larger than the sum of its proper divisors (6386753774).

11031665506 is a wasteful number, since it uses less digits than its factorization.

11031665506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290307008.

The product of its (nonzero) digits is 16200, while the sum is 34.

The spelling of 11031665506 in words is "eleven billion, thirty-one million, six hundred sixty-five thousand, five hundred six".