11662555425111 has 24 divisors (see below), whose sum is σ = 16926766047360. Its totient is φ = 7737806034576.

The previous prime is 11662555425109. The next prime is 11662555425187. The reversal of 11662555425111 is 11152455526611.

11662555425111 is a `hidden beast` number, since 1 + 1 + 6 + 6 + 2 + 55 + 542 + 51 + 1 + 1 = 666.

It is not a de Polignac number, because 11662555425111 - 2¹ = 11662555425109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11662555425011) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1936851 + ... + 5203508.

It is an arithmetic number, because the mean of its divisors is an integer number (705281918640).

Almost surely, 2^{11662555425111} is an apocalyptic number.

11662555425111 is a deficient number, since it is larger than the sum of its proper divisors (5264210622249).

11662555425111 is a wasteful number, since it uses less digits than its factorization.

11662555425111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7141235 (or 7141232 counting only the distinct ones).

The product of its digits is 360000, while the sum is 45.

The spelling of 11662555425111 in words is "eleven trillion, six hundred sixty-two billion, five hundred fifty-five million, four hundred twenty-five thousand, one hundred eleven".