11662360555 has 4 divisors (see below), whose sum is σ = 13994832672. Its totient is φ = 9329888440.

The previous prime is 11662360517. The next prime is 11662360613. The reversal of 11662360555 is 55506326611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55506326611 = 24379 ⋅2276809.

It is not a de Polignac number, because 11662360555 - 2²¹ = 11660263403 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1166236051 + ... + 1166236060.

It is an arithmetic number, because the mean of its divisors is an integer number (3498708168).

Almost surely, 2^11662360555 is an apocalyptic number.

11662360555 is a deficient number, since it is larger than the sum of its proper divisors (2332472117).

11662360555 is an equidigital number, since it uses as much as digits as its factorization.

11662360555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2332472116.

The product of its (nonzero) digits is 162000, while the sum is 40.

The spelling of 11662360555 in words is "eleven billion, six hundred sixty-two million, three hundred sixty thousand, five hundred fifty-five".