1009010811901 has 4 divisors (see below), whose sum is σ = 1011351904704. Its totient is φ = 1006669719100.

The previous prime is 1009010811899. The next prime is 1009010811937. The reversal of 1009010811901 is 1091180109001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1009010811901 - 2¹ = 1009010811899 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 (1009010841901) 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, 1170545755 + ... + 1170546616.

It is an arithmetic number, because the mean of its divisors is an integer number (252837976176).

Almost surely, 2^{1009010811901} is an apocalyptic number.

It is an amenable number.

1009010811901 is a deficient number, since it is larger than the sum of its proper divisors (2341092803).

1009010811901 is an equidigital number, since it uses as much as digits as its factorization.

1009010811901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2341092802.

The product of its (nonzero) digits is 648, while the sum is 31.

The spelling of 1009010811901 in words is "one trillion, nine billion, ten million, eight hundred eleven thousand, nine hundred one".