1128697053121 has 16 divisors (see below), whose sum is σ = 1296181978560. Its totient is φ = 972030689280.

The previous prime is 1128697053019. The next prime is 1128697053139. The reversal of 1128697053121 is 1213507968211.

It is a cyclic number.

It is not a de Polignac number, because 1128697053121 - 2¹¹ = 1128697051073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1128697053221) 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, 3979585 + ... + 4253761.

It is an arithmetic number, because the mean of its divisors is an integer number (81011373660).

Almost surely, 2^{1128697053121} is an apocalyptic number.

1128697053121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1128697053121 is a deficient number, since it is larger than the sum of its proper divisors (167484925439).

1128697053121 is a wasteful number, since it uses less digits than its factorization.

1128697053121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293904.

The product of its (nonzero) digits is 181440, while the sum is 46.

The spelling of 1128697053121 in words is "one trillion, one hundred twenty-eight billion, six hundred ninety-seven million, fifty-three thousand, one hundred twenty-one".