1017776011001 has 4 divisors (see below), whose sum is σ = 1031718148212. Its totient is φ = 1003833873792.

The previous prime is 1017776010997. The next prime is 1017776011003. The reversal of 1017776011001 is 1001106777101.

It is a happy number.

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 220032293776 + 797743717225 = 469076^2 + 893165^2 .

It is a cyclic number.

It is not a de Polignac number, because 1017776011001 - 2² = 1017776010997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1017776011003) 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, 6971068496 + ... + 6971068641.

It is an arithmetic number, because the mean of its divisors is an integer number (257929537053).

Almost surely, 2^{1017776011001} is an apocalyptic number.

It is an amenable number.

1017776011001 is a deficient number, since it is larger than the sum of its proper divisors (13942137211).

1017776011001 is an equidigital number, since it uses as much as digits as its factorization.

1017776011001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13942137210.

The product of its (nonzero) digits is 2058, while the sum is 32.

The spelling of 1017776011001 in words is "one trillion, seventeen billion, seven hundred seventy-six million, eleven thousand, one".