11604456155 has 4 divisors (see below), whose sum is σ = 13925347392. Its totient is φ = 9283564920.

The previous prime is 11604456137. The next prime is 11604456161. The reversal of 11604456155 is 55165440611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55165440611 = 159631 ⋅345581.

It is not a de Polignac number, because 11604456155 - 2⁶ = 11604456091 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, 1160445611 + ... + 1160445620.

It is an arithmetic number, because the mean of its divisors is an integer number (3481336848).

Almost surely, 2^11604456155 is an apocalyptic number.

11604456155 is a deficient number, since it is larger than the sum of its proper divisors (2320891237).

11604456155 is an equidigital number, since it uses as much as digits as its factorization.

11604456155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2320891236.

The product of its (nonzero) digits is 72000, while the sum is 38.

Adding to 11604456155 its reverse (55165440611), we get a palindrome (66769896766).

The spelling of 11604456155 in words is "eleven billion, six hundred four million, four hundred fifty-six thousand, one hundred fifty-five".