53204165117 has 2 divisors, whose sum is σ = 53204165118. Its totient is φ = 53204165116.

The previous prime is 53204165101. The next prime is 53204165137. The reversal of 53204165117 is 71156140235.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31600750756 + 21603414361 = 177766^2 + 146981^2 .

It is a cyclic number.

It is not a de Polignac number, because 53204165117 - 2⁴ = 53204165101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53204165137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26602082558 + 26602082559.

It is an arithmetic number, because the mean of its divisors is an integer number (26602082559).

Almost surely, 2^53204165117 is an apocalyptic number.

It is an amenable number.

53204165117 is a deficient number, since it is larger than the sum of its proper divisors (1).

53204165117 is an equidigital number, since it uses as much as digits as its factorization.

53204165117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25200, while the sum is 35.

The spelling of 53204165117 in words is "fifty-three billion, two hundred four million, one hundred sixty-five thousand, one hundred seventeen".