1017117155 has 8 divisors (see below), whose sum is σ = 1273607712. Its totient is φ = 778315648.

The previous prime is 1017117119. The next prime is 1017117163. The reversal of 1017117155 is 5517117101.

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

It is a cyclic number.

It is not a de Polignac number, because 1017117155 - 2⁸ = 1017116899 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4422134 + ... + 4422363.

It is an arithmetic number, because the mean of its divisors is an integer number (159200964).

Almost surely, 2^1017117155 is an apocalyptic number.

1017117155 is a deficient number, since it is larger than the sum of its proper divisors (256490557).

1017117155 is an equidigital number, since it uses as much as digits as its factorization.

1017117155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8844525.

The product of its (nonzero) digits is 1225, while the sum is 29.

The square root of 1017117155 is about 31892.2742211966. The cubic root of 1017117155 is about 1005.6734692075.

The spelling of 1017117155 in words is "one billion, seventeen million, one hundred seventeen thousand, one hundred fifty-five".