10001000999958 has 24 divisors (see below), whose sum is σ = 21110146159608. Its totient is φ = 3158210841408.

The previous prime is 10001000999953. The next prime is 10001001000043. The reversal of 10001000999958 is 85999900010001.

It is a self number, because there is not a number n which added to its sum of digits gives 10001000999958.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10001000999953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2308631491 + ... + 2308635822.

It is an arithmetic number, because the mean of its divisors is an integer number (879589423317).

Almost surely, 2^{10001000999958} is an apocalyptic number.

10001000999958 is an abundant number, since it is smaller than the sum of its proper divisors (11109145159650).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10001000999958 is a wasteful number, since it uses less digits than its factorization.

10001000999958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4617267356 (or 4617267337 counting only the distinct ones).

The product of its (nonzero) digits is 262440, while the sum is 51.

The spelling of 10001000999958 in words is "ten trillion, one billion, nine hundred ninety-nine thousand, nine hundred fifty-eight".