52121667606311 has 2 divisors, whose sum is σ = 52121667606312. Its totient is φ = 52121667606310.

The previous prime is 52121667606301. The next prime is 52121667606319. The reversal of 52121667606311 is 11360676612125.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 52121667606311 - 2⁴² = 47723621095207 is a prime.

It is a super-3 number, since 3×52121667606311³ (a number of 42 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52121667606319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26060833803155 + 26060833803156.

It is an arithmetic number, because the mean of its divisors is an integer number (26060833803156).

Almost surely, 2^{52121667606311} is an apocalyptic number.

52121667606311 is a deficient number, since it is larger than the sum of its proper divisors (1).

52121667606311 is an equidigital number, since it uses as much as digits as its factorization.

52121667606311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 544320, while the sum is 47.

The spelling of 52121667606311 in words is "fifty-two trillion, one hundred twenty-one billion, six hundred sixty-seven million, six hundred six thousand, three hundred eleven".