869990001101001 has 48 divisors (see below), whose sum is σ = 1371225961422720. Its totient is φ = 527138745154560.

The previous prime is 869990001100981. The next prime is 869990001101029. The reversal of 869990001101001 is 100101100099968.

It is not a de Polignac number, because 869990001101001 - 2²¹ = 869989999003849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (869990001106001) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15114723060 + ... + 15114780618.

It is an arithmetic number, because the mean of its divisors is an integer number (28567207529640).

Almost surely, 2^{869990001101001} is an apocalyptic number.

It is an amenable number.

869990001101001 is a deficient number, since it is larger than the sum of its proper divisors (501235960321719).

869990001101001 is a wasteful number, since it uses less digits than its factorization.

869990001101001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91966 (or 91963 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 45.

The spelling of 869990001101001 in words is "eight hundred sixty-nine trillion, nine hundred ninety billion, one million, one hundred one thousand, one".