1011240403019 has 16 divisors (see below), whose sum is σ = 1260872096256. Its totient is φ = 787914009600.

The previous prime is 1011240402983. The next prime is 1011240403021. The reversal of 1011240403019 is 9103040421101.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1011240403019 - 2⁸ = 1011240402763 is a prime.

It is a super-2 number, since 2×1011240403019² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1011240403099) 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, 396434 + ... + 1476360.

It is an arithmetic number, because the mean of its divisors is an integer number (78804506016).

Almost surely, 2^{1011240403019} is an apocalyptic number.

1011240403019 is a deficient number, since it is larger than the sum of its proper divisors (249631693237).

1011240403019 is a wasteful number, since it uses less digits than its factorization.

1011240403019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1092106.

The product of its (nonzero) digits is 864, while the sum is 26.

The spelling of 1011240403019 in words is "one trillion, eleven billion, two hundred forty million, four hundred three thousand, nineteen".