110609115511 has 4 divisors (see below), whose sum is σ = 111271445712. Its totient is φ = 109946785312.

The previous prime is 110609115509. The next prime is 110609115583. The reversal of 110609115511 is 115511906011.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 110609115511 - 2¹ = 110609115509 is a prime.

It is a super-2 number, since 2×110609115511² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110639115511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 331164850 + ... + 331165183.

It is an arithmetic number, because the mean of its divisors is an integer number (27817861428).

Almost surely, 2^110609115511 is an apocalyptic number.

110609115511 is a deficient number, since it is larger than the sum of its proper divisors (662330201).

110609115511 is an equidigital number, since it uses as much as digits as its factorization.

110609115511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 662330200.

The product of its (nonzero) digits is 1350, while the sum is 31.

The spelling of 110609115511 in words is "one hundred ten billion, six hundred nine million, one hundred fifteen thousand, five hundred eleven".