11110555011605 has 24 divisors (see below), whose sum is σ = 15556284203040. Its totient is φ = 7595649119520.

The previous prime is 11110555011587. The next prime is 11110555011643. The reversal of 11110555011605 is 50611055501111.

It is not a de Polignac number, because 11110555011605 - 2¹⁶ = 11110554946069 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 68422235 + ... + 68584424.

It is an arithmetic number, because the mean of its divisors is an integer number (648178508460).

Almost surely, 2^{11110555011605} is an apocalyptic number.

It is an amenable number.

11110555011605 is a deficient number, since it is larger than the sum of its proper divisors (4445729191435).

11110555011605 is a wasteful number, since it uses less digits than its factorization.

11110555011605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137007009 (or 137007002 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 32.

The spelling of 11110555011605 in words is "eleven trillion, one hundred ten billion, five hundred fifty-five million, eleven thousand, six hundred five".