101000999959 has 4 divisors (see below), whose sum is σ = 101049536880. Its totient is φ = 100952463040.

The previous prime is 101000999951. The next prime is 101001000017. The reversal of 101000999959 is 959999000101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 101000999959 - 2³ = 101000999951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101000999951) 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, 24265339 + ... + 24269500.

It is an arithmetic number, because the mean of its divisors is an integer number (25262384220).

Almost surely, 2^101000999959 is an apocalyptic number.

101000999959 is a deficient number, since it is larger than the sum of its proper divisors (48536921).

101000999959 is an equidigital number, since it uses as much as digits as its factorization.

101000999959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48536920.

The product of its (nonzero) digits is 295245, while the sum is 52.

The spelling of 101000999959 in words is "one hundred one billion, nine hundred ninety-nine thousand, nine hundred fifty-nine".