52121667608265 has 32 divisors (see below), whose sum is σ = 88300936114560. Its totient is φ = 26162825974784.

The previous prime is 52121667608239. The next prime is 52121667608273. The reversal of 52121667608265 is 56280676612125.

It is a cyclic number.

It is not a de Polignac number, because 52121667608265 - 2⁶ = 52121667608201 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34464787 + ... + 35945303.

It is an arithmetic number, because the mean of its divisors is an integer number (2759404253580).

Almost surely, 2^{52121667608265} is an apocalyptic number.

It is an amenable number.

52121667608265 is a deficient number, since it is larger than the sum of its proper divisors (36179268506295).

52121667608265 is a wasteful number, since it uses less digits than its factorization.

52121667608265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1618601.

The product of its (nonzero) digits is 14515200, while the sum is 57.

The spelling of 52121667608265 in words is "fifty-two trillion, one hundred twenty-one billion, six hundred sixty-seven million, six hundred eight thousand, two hundred sixty-five".