9955005501001 has 16 divisors (see below), whose sum is σ = 10976441769216. Its totient is φ = 8953120800000.

The previous prime is 9955005500941. The next prime is 9955005501029. The reversal of 9955005501001 is 1001055005599.

It is a cyclic number.

It is not a de Polignac number, because 9955005501001 - 2¹⁹ = 9955004976713 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9955005505001) 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, 2271840 + ... + 5007121.

It is an arithmetic number, because the mean of its divisors is an integer number (686027610576).

Almost surely, 2^{9955005501001} is an apocalyptic number.

It is an amenable number.

9955005501001 is a deficient number, since it is larger than the sum of its proper divisors (1021436268215).

9955005501001 is a wasteful number, since it uses less digits than its factorization.

9955005501001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7280304.

The product of its (nonzero) digits is 50625, while the sum is 40.

The spelling of 9955005501001 in words is "nine trillion, nine hundred fifty-five billion, five million, five hundred one thousand, one".