1552860209117 has 16 divisors (see below), whose sum is σ = 1865049681792. Its totient is φ = 1264932002880.

The previous prime is 1552860209083. The next prime is 1552860209227. The reversal of 1552860209117 is 7119020682551.

It is a happy number.

It is not a de Polignac number, because 1552860209117 - 2³⁴ = 1535680339933 is a prime.

It is a super-2 number, since 2×1552860209117² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1552860209317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69705134 + ... + 69727407.

It is an arithmetic number, because the mean of its divisors is an integer number (116565605112).

Almost surely, 2^{1552860209117} is an apocalyptic number.

It is an amenable number.

1552860209117 is a deficient number, since it is larger than the sum of its proper divisors (312189472675).

1552860209117 is a wasteful number, since it uses less digits than its factorization.

1552860209117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139432628.

The product of its (nonzero) digits is 302400, while the sum is 47.

The spelling of 1552860209117 in words is "one trillion, five hundred fifty-two billion, eight hundred sixty million, two hundred nine thousand, one hundred seventeen".