11156055655 has 8 divisors (see below), whose sum is σ = 13397907600. Its totient is φ = 8917750656.

The previous prime is 11156055593. The next prime is 11156055661. The reversal of 11156055655 is 55655065111.

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

It is a cyclic number.

It is not a de Polignac number, because 11156055655 - 2⁷ = 11156055527 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 879810 + ... + 892399.

It is an arithmetic number, because the mean of its divisors is an integer number (1674738450).

Almost surely, 2^11156055655 is an apocalyptic number.

11156055655 is a deficient number, since it is larger than the sum of its proper divisors (2241851945).

11156055655 is a wasteful number, since it uses less digits than its factorization.

11156055655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1773473.

The product of its (nonzero) digits is 112500, while the sum is 40.

The spelling of 11156055655 in words is "eleven billion, one hundred fifty-six million, fifty-five thousand, six hundred fifty-five".