54125123211 has 64 divisors (see below), whose sum is σ = 84130099200. Its totient is φ = 34346930688.

The previous prime is 54125123207. The next prime is 54125123263. The reversal of 54125123211 is 11232152145.

It is a happy number.

54125123211 is a `hidden beast` number, since 5 + 412 + 5 + 1 + 232 + 11 = 666.

It is not a de Polignac number, because 54125123211 - 2² = 54125123207 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (54125123291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 18681715 + ... + 18684611.

It is an arithmetic number, because the mean of its divisors is an integer number (1314532800).

Almost surely, 2^54125123211 is an apocalyptic number.

54125123211 is a deficient number, since it is larger than the sum of its proper divisors (30004975989).

54125123211 is a wasteful number, since it uses less digits than its factorization.

54125123211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3265 (or 3259 counting only the distinct ones).

The product of its digits is 2400, while the sum is 27.

Adding to 54125123211 its reverse (11232152145), we get a palindrome (65357275356).

The spelling of 54125123211 in words is "fifty-four billion, one hundred twenty-five million, one hundred twenty-three thousand, two hundred eleven".