1126421533616 has 20 divisors (see below), whose sum is σ = 2184150799152. Its totient is φ = 562769714496.

The previous prime is 1126421533603. The next prime is 1126421533637. The reversal of 1126421533616 is 6163351246211.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27544700 + ... + 27585563.

Almost surely, 2^{1126421533616} is an apocalyptic number.

1126421533616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1126421533616 is a deficient number, since it is larger than the sum of its proper divisors (1057729265536).

1126421533616 is a wasteful number, since it uses less digits than its factorization.

1126421533616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55131548 (or 55131542 counting only the distinct ones).

The product of its digits is 155520, while the sum is 41.

Adding to 1126421533616 its reverse (6163351246211), we get a palindrome (7289772779827).

The spelling of 1126421533616 in words is "one trillion, one hundred twenty-six billion, four hundred twenty-one million, five hundred thirty-three thousand, six hundred sixteen".