11156143661635 has 16 divisors (see below), whose sum is σ = 15299959075776. Its totient is φ = 7649874626688.

The previous prime is 11156143661629. The next prime is 11156143661647. The reversal of 11156143661635 is 53616634165111.

It is not a de Polignac number, because 11156143661635 - 2¹¹ = 11156143659587 is a prime.

It is a Duffinian 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, 4485397 + ... + 6513913.

It is an arithmetic number, because the mean of its divisors is an integer number (956247442236).

Almost surely, 2^{11156143661635} is an apocalyptic number.

11156143661635 is a deficient number, since it is larger than the sum of its proper divisors (4143815414141).

11156143661635 is a wasteful number, since it uses less digits than its factorization.

11156143661635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2185662.

The product of its digits is 1166400, while the sum is 49.

The spelling of 11156143661635 in words is "eleven trillion, one hundred fifty-six billion, one hundred forty-three million, six hundred sixty-one thousand, six hundred thirty-five".