1117665639552 has 576 divisors, whose sum is σ = 3811686772320. Its totient is φ = 289104076800.

The previous prime is 1117665639529. The next prime is 1117665639667. The reversal of 1117665639552 is 2559365667111.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1117665639492 and 1117665639501.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 639761943 + ... + 639763689.

Almost surely, 2^{1117665639552} is an apocalyptic number.

1117665639552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1117665639552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1905843386160).

1117665639552 is an abundant number, since it is smaller than the sum of its proper divisors (2694021132768).

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

1117665639552 is a wasteful number, since it uses less digits than its factorization.

1117665639552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2081 (or 2051 counting only the distinct ones).

The product of its digits is 10206000, while the sum is 57.

The spelling of 1117665639552 in words is "one trillion, one hundred seventeen billion, six hundred sixty-five million, six hundred thirty-nine thousand, five hundred fifty-two".