1011042242989 has 32 divisors (see below), whose sum is σ = 1134093312000. Its totient is φ = 895715573760.

The previous prime is 1011042242981. The next prime is 1011042243011. The reversal of 1011042242989 is 9892422401101.

It is a cyclic number.

It is not a de Polignac number, because 1011042242989 - 2³ = 1011042242981 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 (1011042242981) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34937044 + ... + 34965970.

It is an arithmetic number, because the mean of its divisors is an integer number (35440416000).

Almost surely, 2^{1011042242989} is an apocalyptic number.

1011042242989 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1011042242989 is a deficient number, since it is larger than the sum of its proper divisors (123051069011).

1011042242989 is a wasteful number, since it uses less digits than its factorization.

1011042242989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29653.

The product of its (nonzero) digits is 82944, while the sum is 43.

The spelling of 1011042242989 in words is "one trillion, eleven billion, forty-two million, two hundred forty-two thousand, nine hundred eighty-nine".