11512344655 has 8 divisors (see below), whose sum is σ = 15788358432. Its totient is φ = 7894179168.

The previous prime is 11512344637. The next prime is 11512344661. The reversal of 11512344655 is 55644321511.

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 11512344655 - 2²¹ = 11510247503 is a prime.

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, 164462032 + ... + 164462101.

It is an arithmetic number, because the mean of its divisors is an integer number (1973544804).

Almost surely, 2^11512344655 is an apocalyptic number.

11512344655 is a deficient number, since it is larger than the sum of its proper divisors (4276013777).

11512344655 is an equidigital number, since it uses as much as digits as its factorization.

11512344655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328924145.

The product of its digits is 72000, while the sum is 37.

The spelling of 11512344655 in words is "eleven billion, five hundred twelve million, three hundred forty-four thousand, six hundred fifty-five".