11548820979055 has 4 divisors (see below), whose sum is σ = 13858585174872. Its totient is φ = 9239056783240.

The previous prime is 11548820979029. The next prime is 11548820979079. The reversal of 11548820979055 is 55097902884511.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 11548820979055 - 2¹⁹ = 11548820454767 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 3 ways as a sum of consecutive naturals, for example, 1154882097901 + ... + 1154882097910.

It is an arithmetic number, because the mean of its divisors is an integer number (3464646293718).

Almost surely, 2^{11548820979055} is an apocalyptic number.

11548820979055 is a deficient number, since it is larger than the sum of its proper divisors (2309764195817).

11548820979055 is an equidigital number, since it uses as much as digits as its factorization.

11548820979055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2309764195816.

The product of its (nonzero) digits is 36288000, while the sum is 64.

The spelling of 11548820979055 in words is "eleven trillion, five hundred forty-eight billion, eight hundred twenty million, nine hundred seventy-nine thousand, fifty-five".