1111001000648 has 64 divisors (see below), whose sum is σ = 2603008465920. Its totient is φ = 431880321600.

The previous prime is 1111001000647. The next prime is 1111001000651. The reversal of 1111001000648 is 8460001001111.

It is not an unprimeable number, because it can be changed into a prime (1111001000647) 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, 1762748 + ... + 2308523.

It is an arithmetic number, because the mean of its divisors is an integer number (40672007280).

Almost surely, 2^{1111001000648} is an apocalyptic number.

It is an amenable number.

1111001000648 is an abundant number, since it is smaller than the sum of its proper divisors (1492007465272).

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

1111001000648 is a wasteful number, since it uses less digits than its factorization.

1111001000648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4071738 (or 4071734 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 23.

Adding to 1111001000648 its reverse (8460001001111), we get a palindrome (9571002001759).

The spelling of 1111001000648 in words is "one trillion, one hundred eleven billion, one million, six hundred forty-eight", and thus it is an aban number.