12110517155 has 8 divisors (see below), whose sum is σ = 15853767984. Its totient is φ = 8807648800.

The previous prime is 12110517143. The next prime is 12110517193. The reversal of 12110517155 is 55171501121.

It is a happy number.

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

It is not a de Polignac number, because 12110517155 - 2¹² = 12110513059 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, 110095556 + ... + 110095665.

It is an arithmetic number, because the mean of its divisors is an integer number (1981720998).

Almost surely, 2^12110517155 is an apocalyptic number.

12110517155 is a deficient number, since it is larger than the sum of its proper divisors (3743250829).

12110517155 is a wasteful number, since it uses less digits than its factorization.

12110517155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220191237.

The product of its (nonzero) digits is 1750, while the sum is 29.

The spelling of 12110517155 in words is "twelve billion, one hundred ten million, five hundred seventeen thousand, one hundred fifty-five".