2117480156 has 54 divisors (see below), whose sum is σ = 4299097320. Its totient is φ = 911758320.

The previous prime is 2117480111. The next prime is 2117480159. The reversal of 2117480156 is 6510847112.

It is a super-2 number, since 2×2117480156² = 8967444422107568672, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2117480159) 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 17 ways as a sum of consecutive naturals, for example, 168665 + ... + 180783.

Almost surely, 2^2117480156 is an apocalyptic number.

It is an amenable number.

2117480156 is an abundant number, since it is smaller than the sum of its proper divisors (2181617164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2117480156 is a wasteful number, since it uses less digits than its factorization.

2117480156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12183 (or 12151 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 35.

The square root of 2117480156 is about 46016.0858396279. The cubic root of 2117480156 is about 1284.1224824363.

The spelling of 2117480156 in words is "two billion, one hundred seventeen million, four hundred eighty thousand, one hundred fifty-six".