11655012121323 has 8 divisors (see below), whose sum is σ = 15540713957328. Its totient is φ = 7769659183104.

The previous prime is 11655012121309. The next prime is 11655012121331. The reversal of 11655012121323 is 32312121055611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11655012121323 - 2¹² = 11655012117227 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11655012123323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87146490 + ... + 87280127.

It is an arithmetic number, because the mean of its divisors is an integer number (1942589244666).

Almost surely, 2^{11655012121323} is an apocalyptic number.

11655012121323 is a deficient number, since it is larger than the sum of its proper divisors (3885701836005).

11655012121323 is a wasteful number, since it uses less digits than its factorization.

11655012121323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174448893.

The product of its (nonzero) digits is 10800, while the sum is 33.

Adding to 11655012121323 its reverse (32312121055611), we get a palindrome (43967133176934).

The spelling of 11655012121323 in words is "eleven trillion, six hundred fifty-five billion, twelve million, one hundred twenty-one thousand, three hundred twenty-three".