158023751855161 has 4 divisors (see below), whose sum is σ = 160614305164324. Its totient is φ = 155433198546000.

The previous prime is 158023751855131. The next prime is 158023751855197. The reversal of 158023751855161 is 161558157320851.

158023751855161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 4518094587561 + 153505657267600 = 2125581^2 + 12389740^2 .

It is a cyclic number.

It is not a de Polignac number, because 158023751855161 - 2⁵ = 158023751855129 is a prime.

It is a super-3 number, since 3×158023751855161³ (a number of 44 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 158023751855096 and 158023751855105.

It is not an unprimeable number, because it can be changed into a prime (158023751855131) 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, 1295276654490 + ... + 1295276654611.

It is an arithmetic number, because the mean of its divisors is an integer number (40153576291081).

Almost surely, 2^{158023751855161} is an apocalyptic number.

It is an amenable number.

158023751855161 is a deficient number, since it is larger than the sum of its proper divisors (2590553309163).

158023751855161 is an equidigital number, since it uses as much as digits as its factorization.

158023751855161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2590553309162.

The product of its (nonzero) digits is 10080000, while the sum is 58.

The spelling of 158023751855161 in words is "one hundred fifty-eight trillion, twenty-three billion, seven hundred fifty-one million, eight hundred fifty-five thousand, one hundred sixty-one".