1121037665232 has 80 divisors (see below), whose sum is σ = 2900788623360. Its totient is φ = 373063680000.

The previous prime is 1121037665213. The next prime is 1121037665257. The reversal of 1121037665232 is 2325667301211.

It is a super-2 number, since 2×1121037665232² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77837232 + ... + 77851632.

It is an arithmetic number, because the mean of its divisors is an integer number (36259857792).

Almost surely, 2^{1121037665232} is an apocalyptic number.

1121037665232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1121037665232 is an abundant number, since it is smaller than the sum of its proper divisors (1779750958128).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1121037665232 is a wasteful number, since it uses less digits than its factorization.

1121037665232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16972 (or 16966 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 39.

The spelling of 1121037665232 in words is "one trillion, one hundred twenty-one billion, thirty-seven million, six hundred sixty-five thousand, two hundred thirty-two".