11161101056655 has 64 divisors (see below), whose sum is σ = 19597199616000. Its totient is φ = 5379309035520.

The previous prime is 11161101056647. The next prime is 11161101056683. The reversal of 11161101056655 is 55665010116111.

It is not a de Polignac number, because 11161101056655 - 2³ = 11161101056647 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 19648842 + ... + 20208888.

It is an arithmetic number, because the mean of its divisors is an integer number (306206244000).

Almost surely, 2^{11161101056655} is an apocalyptic number.

11161101056655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11161101056655 is a deficient number, since it is larger than the sum of its proper divisors (8436098559345).

11161101056655 is a wasteful number, since it uses less digits than its factorization.

11161101056655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560784.

The product of its (nonzero) digits is 27000, while the sum is 39.

The spelling of 11161101056655 in words is "eleven trillion, one hundred sixty-one billion, one hundred one million, fifty-six thousand, six hundred fifty-five".