1105666551506 has 32 divisors (see below), whose sum is σ = 1853755848000. Its totient is φ = 490223923200.

The previous prime is 1105666551469. The next prime is 1105666551529. The reversal of 1105666551506 is 6051556665011.

It is a super-3 number, since 3×1105666551506³ (a number of 37 digits) contains 333 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4708370 + ... + 4937618.

It is an arithmetic number, because the mean of its divisors is an integer number (57929870250).

Almost surely, 2^{1105666551506} is an apocalyptic number.

1105666551506 is a deficient number, since it is larger than the sum of its proper divisors (748089296494).

1105666551506 is a wasteful number, since it uses less digits than its factorization.

1105666551506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234650.

The product of its (nonzero) digits is 810000, while the sum is 47.

The spelling of 1105666551506 in words is "one trillion, one hundred five billion, six hundred sixty-six million, five hundred fifty-one thousand, five hundred six".