900111011110001 has 4 divisors (see below), whose sum is σ = 917094237734772. Its totient is φ = 883127784485232.

The previous prime is 900111011109979. The next prime is 900111011110013. The reversal of 900111011110001 is 100011110111009.

900111011110001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 454174917504400 + 445936093605601 = 21311380^2 + 21117199^2 .

It is a cyclic number.

It is not a de Polignac number, because 900111011110001 - 2¹⁴ = 900111011093617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (900111011110021) 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, 8491613312306 + ... + 8491613312411.

It is an arithmetic number, because the mean of its divisors is an integer number (229273559433693).

Almost surely, 2^{900111011110001} is an apocalyptic number.

It is an amenable number.

900111011110001 is a deficient number, since it is larger than the sum of its proper divisors (16983226624771).

900111011110001 is a wasteful number, since it uses less digits than its factorization.

900111011110001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16983226624770.

The product of its (nonzero) digits is 9, while the sum is 17.

The spelling of 900111011110001 in words is "nine hundred trillion, one hundred eleven billion, eleven million, one hundred ten thousand, one".