53937136117 has 2 divisors, whose sum is σ = 53937136118. Its totient is φ = 53937136116.

The previous prime is 53937136111. The next prime is 53937136147. The reversal of 53937136117 is 71163173935.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50373762481 + 3563373636 = 224441^2 + 59694^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53937136117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53937136111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26968568058 + 26968568059.

It is an arithmetic number, because the mean of its divisors is an integer number (26968568059).

Almost surely, 2^53937136117 is an apocalyptic number.

It is an amenable number.

53937136117 is a deficient number, since it is larger than the sum of its proper divisors (1).

53937136117 is an equidigital number, since it uses as much as digits as its factorization.

53937136117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 357210, while the sum is 46.

The spelling of 53937136117 in words is "fifty-three billion, nine hundred thirty-seven million, one hundred thirty-six thousand, one hundred seventeen".