158052789497 has 4 divisors (see below), whose sum is σ = 159682199796. Its totient is φ = 156423379200.

The previous prime is 158052789491. The next prime is 158052789569. The reversal of 158052789497 is 794987250851.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 84753183376 + 73299606121 = 291124^2 + 270739^2 .

It is a cyclic number.

It is not a de Polignac number, because 158052789497 - 2¹⁰ = 158052788473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (158052789491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 814705004 + ... + 814705197.

It is an arithmetic number, because the mean of its divisors is an integer number (39920549949).

Almost surely, 2^158052789497 is an apocalyptic number.

It is an amenable number.

158052789497 is a deficient number, since it is larger than the sum of its proper divisors (1629410299).

158052789497 is an equidigital number, since it uses as much as digits as its factorization.

158052789497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1629410298.

The product of its (nonzero) digits is 50803200, while the sum is 65.

The spelling of 158052789497 in words is "one hundred fifty-eight billion, fifty-two million, seven hundred eighty-nine thousand, four hundred ninety-seven".