11980492255 has 4 divisors (see below), whose sum is σ = 14376590712. Its totient is φ = 9584393800.

The previous prime is 11980492247. The next prime is 11980492259. The reversal of 11980492255 is 55229408911.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55229408911 = 2267 ⋅24362333.

It is not a de Polignac number, because 11980492255 - 2³ = 11980492247 is a prime.

It is a super-2 number, since 2×11980492255² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11980492259) 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, 1198049221 + ... + 1198049230.

It is an arithmetic number, because the mean of its divisors is an integer number (3594147678).

Almost surely, 2^11980492255 is an apocalyptic number.

11980492255 is a deficient number, since it is larger than the sum of its proper divisors (2396098457).

11980492255 is an equidigital number, since it uses as much as digits as its factorization.

11980492255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2396098456.

The product of its (nonzero) digits is 259200, while the sum is 46.

The spelling of 11980492255 in words is "eleven billion, nine hundred eighty million, four hundred ninety-two thousand, two hundred fifty-five".