1111245211997 has 8 divisors (see below), whose sum is σ = 1121684710752. Its totient is φ = 1100806714000.

The previous prime is 1111245211961. The next prime is 1111245212041. The reversal of 1111245211997 is 7991125421111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1111245211997 - 2³⁴ = 1094065342813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111245211597) 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, 2082722 + ... + 2561292.

It is an arithmetic number, because the mean of its divisors is an integer number (140210588844).

Almost surely, 2^{1111245211997} is an apocalyptic number.

It is an amenable number.

1111245211997 is a deficient number, since it is larger than the sum of its proper divisors (10439498755).

1111245211997 is a wasteful number, since it uses less digits than its factorization.

1111245211997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500379.

The product of its digits is 45360, while the sum is 44.

The spelling of 1111245211997 in words is "one trillion, one hundred eleven billion, two hundred forty-five million, two hundred eleven thousand, nine hundred ninety-seven".