17012811057 has 32 divisors (see below), whose sum is σ = 24882633600. Its totient is φ = 10253952000.

The previous prime is 17012811017. The next prime is 17012811061. The reversal of 17012811057 is 75011821071.

It is not a de Polignac number, because 17012811057 - 2¹² = 17012806961 is a prime.

It is a super-4 number, since 4×17012811057⁴ (a number of 42 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (17012811017) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10982319 + ... + 10983867.

It is an arithmetic number, because the mean of its divisors is an integer number (777582300).

Almost surely, 2^17012811057 is an apocalyptic number.

It is an amenable number.

17012811057 is a deficient number, since it is larger than the sum of its proper divisors (7869822543).

17012811057 is a wasteful number, since it uses less digits than its factorization.

17012811057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3185.

The product of its (nonzero) digits is 3920, while the sum is 33.

The spelling of 17012811057 in words is "seventeen billion, twelve million, eight hundred eleven thousand, fifty-seven".