11106615065506 has 4 divisors (see below), whose sum is σ = 16659922598262. Its totient is φ = 5553307532752.

The previous prime is 11106615065503. The next prime is 11106615065537. The reversal of 11106615065506 is 60556051660111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 8864285517025 + 2242329548481 = 2977295^2 + 1497441^2 .

It is not an unprimeable number, because it can be changed into a prime (11106615065503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2776653766375 + ... + 2776653766378.

Almost surely, 2^{11106615065506} is an apocalyptic number.

11106615065506 is a deficient number, since it is larger than the sum of its proper divisors (5553307532756).

11106615065506 is an equidigital number, since it uses as much as digits as its factorization.

11106615065506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5553307532755.

The product of its (nonzero) digits is 162000, while the sum is 43.

The spelling of 11106615065506 in words is "eleven trillion, one hundred six billion, six hundred fifteen million, sixty-five thousand, five hundred six".