1011434021408 has 12 divisors (see below), whose sum is σ = 1991260729710. Its totient is φ = 505717010688.

The previous prime is 1011434021407. The next prime is 1011434021441. The reversal of 1011434021408 is 8041204341101.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 856491019024 + 154943002384 = 925468^2 + 393628^2 .

It is not an unprimeable number, because it can be changed into a prime (1011434021407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15803656553 + ... + 15803656616.

Almost surely, 2^{1011434021408} is an apocalyptic number.

It is an amenable number.

1011434021408 is a deficient number, since it is larger than the sum of its proper divisors (979826708302).

1011434021408 is an equidigital number, since it uses as much as digits as its factorization.

1011434021408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31607313179 (or 31607313171 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 29.

Adding to 1011434021408 its reverse (8041204341101), we get a palindrome (9052638362509).

The spelling of 1011434021408 in words is "one trillion, eleven billion, four hundred thirty-four million, twenty-one thousand, four hundred eight".