101558940009 has 32 divisors (see below), whose sum is σ = 141131120640. Its totient is φ = 64891627200.

The previous prime is 101558939987. The next prime is 101558940031. The reversal of 101558940009 is 900049855101.

It is an interprime number because it is at equal distance from previous prime (101558939987) and next prime (101558940031).

It is not a de Polignac number, because 101558940009 - 2⁸ = 101558939753 is a prime.

It is not an unprimeable number, because it can be changed into a prime (101558941009) 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 31 ways as a sum of consecutive naturals, for example, 4055244 + ... + 4080210.

It is an arithmetic number, because the mean of its divisors is an integer number (4410347520).

Almost surely, 2^101558940009 is an apocalyptic number.

It is an amenable number.

101558940009 is a deficient number, since it is larger than the sum of its proper divisors (39572180631).

101558940009 is a wasteful number, since it uses less digits than its factorization.

101558940009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25421.

The product of its (nonzero) digits is 64800, while the sum is 42.

The spelling of 101558940009 in words is "one hundred one billion, five hundred fifty-eight million, nine hundred forty thousand, nine".