11615325655 has 8 divisors (see below), whose sum is σ = 13959739872. Its totient is φ = 9278027808.

The previous prime is 11615325641. The next prime is 11615325809. The reversal of 11615325655 is 55652351611.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 11615325655 - 2²¹ = 11613228503 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1775499 + ... + 1782028.

It is an arithmetic number, because the mean of its divisors is an integer number (1744967484).

Almost surely, 2^11615325655 is an apocalyptic number.

11615325655 is a deficient number, since it is larger than the sum of its proper divisors (2344414217).

11615325655 is an equidigital number, since it uses as much as digits as its factorization.

11615325655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3558185.

The product of its digits is 135000, while the sum is 40.

The spelling of 11615325655 in words is "eleven billion, six hundred fifteen million, three hundred twenty-five thousand, six hundred fifty-five".