158303765081 has 16 divisors (see below), whose sum is σ = 202179535488. Its totient is φ = 120344956800.

The previous prime is 158303765047. The next prime is 158303765099. The reversal of 158303765081 is 180567303851.

158303765081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-158303765081 is a prime.

It is a super-2 number, since 2×158303765081² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (158303765881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25068710 + ... + 25075023.

It is an arithmetic number, because the mean of its divisors is an integer number (12636220968).

Almost surely, 2^158303765081 is an apocalyptic number.

158303765081 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

158303765081 is a deficient number, since it is larger than the sum of its proper divisors (43875770407).

158303765081 is a wasteful number, since it uses less digits than its factorization.

158303765081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50143792.

The product of its (nonzero) digits is 604800, while the sum is 47.

The spelling of 158303765081 in words is "one hundred fifty-eight billion, three hundred three million, seven hundred sixty-five thousand, eighty-one".