11652551361 has 24 divisors (see below), whose sum is σ = 18370104480. Its totient is φ = 7058880000.

The previous prime is 11652551357. The next prime is 11652551423. The reversal of 11652551361 is 16315525611.

11652551361 is a `hidden beast` number, since 1 + 1 + 65 + 25 + 513 + 61 = 666.

11652551361 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11652551361 - 2² = 11652551357 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11652551321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 196705 + ... + 248993.

It is an arithmetic number, because the mean of its divisors is an integer number (765421020).

Almost surely, 2^11652551361 is an apocalyptic number.

11652551361 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11652551361 is a deficient number, since it is larger than the sum of its proper divisors (6717553119).

11652551361 is a wasteful number, since it uses less digits than its factorization.

11652551361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54557 (or 54554 counting only the distinct ones).

The product of its digits is 27000, while the sum is 36.

The spelling of 11652551361 in words is "eleven billion, six hundred fifty-two million, five hundred fifty-one thousand, three hundred sixty-one".