1017051551117 has 8 divisors (see below), whose sum is σ = 1178267159616. Its totient is φ = 859816575072.

The previous prime is 1017051551077. The next prime is 1017051551123. The reversal of 1017051551117 is 7111551507101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1017051551117 - 2⁶ = 1017051551053 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 (1017051551717) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 995157563 + ... + 995158584.

It is an arithmetic number, because the mean of its divisors is an integer number (147283394952).

Almost surely, 2^{1017051551117} is an apocalyptic number.

It is an amenable number.

1017051551117 is a deficient number, since it is larger than the sum of its proper divisors (161215608499).

1017051551117 is an equidigital number, since it uses as much as digits as its factorization.

1017051551117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1990316227.

The product of its (nonzero) digits is 6125, while the sum is 35.

The spelling of 1017051551117 in words is "one trillion, seventeen billion, fifty-one million, five hundred fifty-one thousand, one hundred seventeen".