11552065135121 has 12 divisors (see below), whose sum is σ = 14022382525632. Its totient is φ = 9471258370728.

The previous prime is 11552065135087. The next prime is 11552065135141. The reversal of 11552065135121 is 12153156025511.

It is not a de Polignac number, because 11552065135121 - 2¹⁰ = 11552065134097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11552065135141) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5125138685 + ... + 5125140938.

It is an arithmetic number, because the mean of its divisors is an integer number (1168531877136).

Almost surely, 2^{11552065135121} is an apocalyptic number.

It is an amenable number.

11552065135121 is a deficient number, since it is larger than the sum of its proper divisors (2470317390511).

11552065135121 is a wasteful number, since it uses less digits than its factorization.

11552065135121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10250279660 (or 10250279653 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 38.

The spelling of 11552065135121 in words is "eleven trillion, five hundred fifty-two billion, sixty-five million, one hundred thirty-five thousand, one hundred twenty-one".