11156006555 has 8 divisors (see below), whose sum is σ = 13415877072. Its totient is φ = 8905692448.

The previous prime is 11156006539. The next prime is 11156006593. The reversal of 11156006555 is 55560065111.

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 11156006555 - 2⁴ = 11156006539 is a prime.

It is a Duffinian 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, 2386532 + ... + 2391201.

It is an arithmetic number, because the mean of its divisors is an integer number (1676984634).

Almost surely, 2^11156006555 is an apocalyptic number.

11156006555 is a deficient number, since it is larger than the sum of its proper divisors (2259870517).

11156006555 is an equidigital number, since it uses as much as digits as its factorization.

11156006555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4778205.

The product of its (nonzero) digits is 22500, while the sum is 35.

The spelling of 11156006555 in words is "eleven billion, one hundred fifty-six million, six thousand, five hundred fifty-five".