2117156337224 has 32 divisors (see below), whose sum is σ = 4246509781080. Its totient is φ = 986037633024.

The previous prime is 2117156337221. The next prime is 2117156337277. The reversal of 2117156337224 is 4227336517112.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1412365864900 + 704790472324 = 1188430^2 + 839518^2 .

It is not an unprimeable number, because it can be changed into a prime (2117156337221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80230757 + ... + 80257140.

Almost surely, 2^{2117156337224} is an apocalyptic number.

It is an amenable number.

2117156337224 is an abundant number, since it is smaller than the sum of its proper divisors (2129353443856).

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

2117156337224 is a wasteful number, since it uses less digits than its factorization.

2117156337224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160488017 (or 160488013 counting only the distinct ones).

The product of its digits is 423360, while the sum is 44.

The spelling of 2117156337224 in words is "two trillion, one hundred seventeen billion, one hundred fifty-six million, three hundred thirty-seven thousand, two hundred twenty-four".