1121506553264 has 20 divisors (see below), whose sum is σ = 2172936381504. Its totient is φ = 560748777408.

The previous prime is 1121506553263. The next prime is 1121506553303. The reversal of 1121506553264 is 4623556051211.

It is not an unprimeable number, because it can be changed into a prime (1121506553261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2795009 + ... + 3170975.

Almost surely, 2^{1121506553264} is an apocalyptic number.

It is an amenable number.

1121506553264 is a deficient number, since it is larger than the sum of its proper divisors (1051429828240).

1121506553264 is a wasteful number, since it uses less digits than its factorization.

1121506553264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562412 (or 562406 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 41.

The spelling of 1121506553264 in words is "one trillion, one hundred twenty-one billion, five hundred six million, five hundred fifty-three thousand, two hundred sixty-four".