52121062291 has 2 divisors, whose sum is σ = 52121062292. Its totient is φ = 52121062290.

The previous prime is 52121062277. The next prime is 52121062369. The reversal of 52121062291 is 19226012125.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52121062291 is a prime.

It is not a weakly prime, because it can be changed into another prime (52121062241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26060531145 + 26060531146.

It is an arithmetic number, because the mean of its divisors is an integer number (26060531146).

Almost surely, 2^52121062291 is an apocalyptic number.

52121062291 is a deficient number, since it is larger than the sum of its proper divisors (1).

52121062291 is an equidigital number, since it uses as much as digits as its factorization.

52121062291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 31.

The spelling of 52121062291 in words is "fifty-two billion, one hundred twenty-one million, sixty-two thousand, two hundred ninety-one".