1117012257666 has 40 divisors (see below), whose sum is σ = 2513235105744. Its totient is φ = 372337406100.

The previous prime is 1117012257661. The next prime is 1117012257689. The reversal of 1117012257666 is 6667522107111.

It is not an unprimeable number, because it can be changed into a prime (1117012257661) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 14148160 + ... + 14226891.

Almost surely, 2^{1117012257666} is an apocalyptic number.

1117012257666 is an abundant number, since it is smaller than the sum of its proper divisors (1396222848078).

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

1117012257666 is an frugal number, since it uses more digits than its factorization.

1117012257666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28375080 (or 28375056 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 45.

The spelling of 1117012257666 in words is "one trillion, one hundred seventeen billion, twelve million, two hundred fifty-seven thousand, six hundred sixty-six".