11863977225201 has 6 divisors (see below), whose sum is σ = 17136855991970. Its totient is φ = 7909318150128.

The previous prime is 11863977225197. The next prime is 11863977225209. The reversal of 11863977225201 is 10252277936811.

11863977225201 is a `hidden beast` number, since 1 + 1 + 8 + 6 + 3 + 97 + 7 + 22 + 520 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 11231513309025 + 632463916176 = 3351345^2 + 795276^2 .

It is not a de Polignac number, because 11863977225201 - 2² = 11863977225197 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11863977225209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 659109845836 + ... + 659109845853.

Almost surely, 2^{11863977225201} is an apocalyptic number.

It is an amenable number.

11863977225201 is a deficient number, since it is larger than the sum of its proper divisors (5272878766769).

11863977225201 is a wasteful number, since it uses less digits than its factorization.

11863977225201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1318219691695 (or 1318219691692 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 54.

The spelling of 11863977225201 in words is "eleven trillion, eight hundred sixty-three billion, nine hundred seventy-seven million, two hundred twenty-five thousand, two hundred one".