158099636731 has 2 divisors, whose sum is σ = 158099636732. Its totient is φ = 158099636730.

The previous prime is 158099636713. The next prime is 158099636743. The reversal of 158099636731 is 137636990851.

It is a happy number.

Together with previous prime (158099636713) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 158099636731 - 2¹⁷ = 158099505659 is a prime.

It is a super-2 number, since 2×158099636731² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (158099636701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79049818365 + 79049818366.

It is an arithmetic number, because the mean of its divisors is an integer number (79049818366).

Almost surely, 2^158099636731 is an apocalyptic number.

158099636731 is a deficient number, since it is larger than the sum of its proper divisors (1).

158099636731 is an equidigital number, since it uses as much as digits as its factorization.

158099636731 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7348320, while the sum is 58.

The spelling of 158099636731 in words is "one hundred fifty-eight billion, ninety-nine million, six hundred thirty-six thousand, seven hundred thirty-one".