17155471252 has 12 divisors (see below), whose sum is σ = 30105704160. Its totient is φ = 8553841496.

The previous prime is 17155471243. The next prime is 17155471271. The reversal of 17155471252 is 25217455171.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5971918 + ... + 5974789.

It is an arithmetic number, because the mean of its divisors is an integer number (2508808680).

Almost surely, 2^17155471252 is an apocalyptic number.

It is an amenable number.

17155471252 is a deficient number, since it is larger than the sum of its proper divisors (12950232908).

17155471252 is a wasteful number, since it uses less digits than its factorization.

17155471252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11947070 (or 11947068 counting only the distinct ones).

The product of its digits is 98000, while the sum is 40.

The spelling of 17155471252 in words is "seventeen billion, one hundred fifty-five million, four hundred seventy-one thousand, two hundred fifty-two".