52161621124 has 12 divisors (see below), whose sum is σ = 91362152448. Its totient is φ = 26058149000.

The previous prime is 52161621097. The next prime is 52161621137. The reversal of 52161621124 is 42112616125.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5660212 + ... + 5669419.

It is an arithmetic number, because the mean of its divisors is an integer number (7613512704).

Almost surely, 2^52161621124 is an apocalyptic number.

It is an amenable number.

52161621124 is a deficient number, since it is larger than the sum of its proper divisors (39200531324).

52161621124 is a wasteful number, since it uses less digits than its factorization.

52161621124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11330786 (or 11330784 counting only the distinct ones).

The product of its digits is 5760, while the sum is 31.

The spelling of 52161621124 in words is "fifty-two billion, one hundred sixty-one million, six hundred twenty-one thousand, one hundred twenty-four".