158726041361 has 2 divisors, whose sum is σ = 158726041362. Its totient is φ = 158726041360.

The previous prime is 158726041343. The next prime is 158726041429. The reversal of 158726041361 is 163140627851.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 145881219136 + 12844822225 = 381944^2 + 113335^2 .

It is a cyclic number.

It is not a de Polignac number, because 158726041361 - 2²² = 158721847057 is a prime.

It is a super-2 number, since 2×158726041361² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (158726041861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79363020680 + 79363020681.

It is an arithmetic number, because the mean of its divisors is an integer number (79363020681).

Almost surely, 2^158726041361 is an apocalyptic number.

It is an amenable number.

158726041361 is a deficient number, since it is larger than the sum of its proper divisors (1).

158726041361 is an equidigital number, since it uses as much as digits as its factorization.

158726041361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 241920, while the sum is 44.

The spelling of 158726041361 in words is "one hundred fifty-eight billion, seven hundred twenty-six million, forty-one thousand, three hundred sixty-one".