158158043001 has 24 divisors (see below), whose sum is σ = 261128050560. Its totient is φ = 90361570176.

The previous prime is 158158042997. The next prime is 158158043047. The reversal of 158158043001 is 100340851851.

It is not a de Polignac number, because 158158043001 - 2² = 158158042997 is a prime.

It is not an unprimeable number, because it can be changed into a prime (158158043081) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 202660 + ... + 597818.

It is an arithmetic number, because the mean of its divisors is an integer number (10880335440).

Almost surely, 2^158158043001 is an apocalyptic number.

It is an amenable number.

158158043001 is a deficient number, since it is larger than the sum of its proper divisors (102970007559).

158158043001 is a wasteful number, since it uses less digits than its factorization.

158158043001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401525 (or 401522 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 36.

Adding to 158158043001 its reverse (100340851851), we get a palindrome (258498894852).

The spelling of 158158043001 in words is "one hundred fifty-eight billion, one hundred fifty-eight million, forty-three thousand, one".