158117826801 has 16 divisors (see below), whose sum is σ = 235599069888. Its totient is φ = 93491692800.

The previous prime is 158117826791. The next prime is 158117826803. The reversal of 158117826801 is 108628711851.

It is a happy number.

It is not a de Polignac number, because 158117826801 - 2³¹ = 155970343153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (158117826803) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58430956 + ... + 58433661.

It is an arithmetic number, because the mean of its divisors is an integer number (14724941868).

Almost surely, 2^158117826801 is an apocalyptic number.

158117826801 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

158117826801 is a deficient number, since it is larger than the sum of its proper divisors (77481243087).

158117826801 is a wasteful number, since it uses less digits than its factorization.

158117826801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116864672.

The product of its (nonzero) digits is 215040, while the sum is 48.

The spelling of 158117826801 in words is "one hundred fifty-eight billion, one hundred seventeen million, eight hundred twenty-six thousand, eight hundred one".