11155616165051 has 4 divisors (see below), whose sum is σ = 11156446147704. Its totient is φ = 11154786182400.

The previous prime is 11155616165033. The next prime is 11155616165059. The reversal of 11155616165051 is 15056161655111.

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

It is a cyclic number.

It is not a de Polignac number, because 11155616165051 - 2³⁸ = 10880738258107 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11155616164993 and 11155616165011.

It is not an unprimeable number, because it can be changed into a prime (11155616165059) 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, 414971165 + ... + 414998046.

It is an arithmetic number, because the mean of its divisors is an integer number (2789111536926).

Almost surely, 2^{11155616165051} is an apocalyptic number.

11155616165051 is a deficient number, since it is larger than the sum of its proper divisors (829982653).

11155616165051 is an equidigital number, since it uses as much as digits as its factorization.

11155616165051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 829982652.

The product of its (nonzero) digits is 135000, while the sum is 44.

The spelling of 11155616165051 in words is "eleven trillion, one hundred fifty-five billion, six hundred sixteen million, one hundred sixty-five thousand, fifty-one".