156116005605 has 24 divisors (see below), whose sum is σ = 309258373632. Its totient is φ = 71367316704.

The previous prime is 156116005603. The next prime is 156116005607. The reversal of 156116005605 is 506500611651.

156116005605 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (156116005603) and next prime (156116005607).

It is not a de Polignac number, because 156116005605 - 2¹ = 156116005603 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 156116005605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156116005603) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 247802869 + ... + 247803498.

It is an arithmetic number, because the mean of its divisors is an integer number (12885765568).

Almost surely, 2^156116005605 is an apocalyptic number.

156116005605 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

156116005605 is a deficient number, since it is larger than the sum of its proper divisors (153142368027).

156116005605 is a wasteful number, since it uses less digits than its factorization.

156116005605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495606385 (or 495606382 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 36.

The spelling of 156116005605 in words is "one hundred fifty-six billion, one hundred sixteen million, five thousand, six hundred five".