52121310145 has 8 divisors (see below), whose sum is σ = 62561955456. Its totient is φ = 41686125936.

The previous prime is 52121310121. The next prime is 52121310151. The reversal of 52121310145 is 54101312125.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52121310145 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1344247 + ... + 1382476.

It is an arithmetic number, because the mean of its divisors is an integer number (7820244432).

Almost surely, 2^52121310145 is an apocalyptic number.

It is an amenable number.

52121310145 is a deficient number, since it is larger than the sum of its proper divisors (10440645311).

52121310145 is a wasteful number, since it uses less digits than its factorization.

52121310145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2730551.

The product of its (nonzero) digits is 1200, while the sum is 25.

The spelling of 52121310145 in words is "fifty-two billion, one hundred twenty-one million, three hundred ten thousand, one hundred forty-five".