5511654215213 has 4 divisors (see below), whose sum is σ = 5519723987808. Its totient is φ = 5503584442620.

The previous prime is 5511654215189. The next prime is 5511654215231. The reversal of 5511654215213 is 3125124561155.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5511654215213 - 2²⁶ = 5511587106349 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5511654215233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4034885273 + ... + 4034886638.

It is an arithmetic number, because the mean of its divisors is an integer number (1379930996952).

Almost surely, 2^{5511654215213} is an apocalyptic number.

It is an amenable number.

5511654215213 is a deficient number, since it is larger than the sum of its proper divisors (8069772595).

5511654215213 is an equidigital number, since it uses as much as digits as its factorization.

5511654215213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8069772594.

The product of its digits is 180000, while the sum is 41.

Adding to 5511654215213 its reverse (3125124561155), we get a palindrome (8636778776368).

The spelling of 5511654215213 in words is "five trillion, five hundred eleven billion, six hundred fifty-four million, two hundred fifteen thousand, two hundred thirteen".