11051556155 has 8 divisors (see below), whose sum is σ = 13300088112. Its totient is φ = 8815764448.

The previous prime is 11051556121. The next prime is 11051556211. The reversal of 11051556155 is 55165515011.

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 11051556155 - 2⁶ = 11051556091 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3183152 + ... + 3186621.

It is an arithmetic number, because the mean of its divisors is an integer number (1662511014).

Almost surely, 2^11051556155 is an apocalyptic number.

11051556155 is a deficient number, since it is larger than the sum of its proper divisors (2248531957).

11051556155 is an equidigital number, since it uses as much as digits as its factorization.

11051556155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6370125.

The product of its (nonzero) digits is 18750, while the sum is 35.

The spelling of 11051556155 in words is "eleven billion, fifty-one million, five hundred fifty-six thousand, one hundred fifty-five".